Peaktech P 1401 10 MHz / 2CH, 100MS/s Digital storage oscilloscope Owner's Manual

PeakTech® 1400 - 1404
User Manual
Digital Storage Oscilloscope
Table of Contents
1. General Safety Requirements ......................................................................... 1
2. Safety Terms and Symbols ............................................................................. 2
3. Quick Start ........................................................................................................ 4
Introduction to the Structure of the Oscilloscope .................................................... 4
Front Panel ............................................................................................................................... 4
Rear Panel ................................................................................................................................ 5
Control Area ............................................................................................................................. 6
User Interface Introduction......................................................................................... 7
How to Implement the General Inspection ................................................................ 8
How to Implement the Function Inspection............................................................... 9
How to Implement the Probe Compensation........................................................... 10
How to Set the Probe Attenuation Coefficient ........................................................ 11
How to Use the Probe Safely .................................................................................... 12
How to Implement Self-calibration ........................................................................... 12
Introduction to the Vertical System ......................................................................... 12
Introduction to the Horizontal System ..................................................................... 14
Introduction to the Trigger System .......................................................................... 15
4. Advanced User Guidebook ........................................................................... 16
How to Set the Vertical System ................................................................................ 17
Use Mathematical Manipulation Function ............................................................... 19
The Waveform Calculation ...................................................................................................... 19
Using FFT function................................................................................................................... 20
Use Vertical Position and Scale Knobs ................................................................... 23
How to Set the Horizontal System ........................................................................... 23
Zoom the Waveform ................................................................................................................ 24
How to Set the Trigger System................................................................................. 24
Single Trigger ........................................................................................................................... 25
Alternate Trigger (Trigger mode: Edge) ................................................................................... 27
How to Operate the Function Menu ......................................................................... 27
How to Set the Sampling/Display ............................................................................................ 27
How to Save and Recall a Waveform ...................................................................................... 30
How to Implement the Auxiliary System Function Setting ....................................................... 36
How to Update your Instrument Firmware ............................................................................... 40
How to Measure Automatically ................................................................................................ 41
How to Measure with Cursors .................................................................................................. 45
How to Use Executive Buttons ................................................................................................ 48
5. Communication with PC ................................................................................ 50
i
6. Demonstration ................................................................................................ 51
Example 1: Measurement a Simple Signal .............................................................. 51
Example 2: Gain of a Amplifier in a Metering Circuit .............................................. 52
Example 3: Capturing a Single Signal ..................................................................... 53
Example 4: Analyze the Details of a Signal ............................................................. 54
Example 5: Application of X-Y Function .................................................................. 56
Example 6: Video Signal Trigger .............................................................................. 57
7. Troubleshooting ............................................................................................. 59
8. Technical Specifications ............................................................................... 60
General Technical Specifications ............................................................................ 63
9. Appendix ......................................................................................................... 64
Appendix A: Enclosure ............................................................................................. 64
Appendix B: General Care and Cleaning ................................................................. 64
ii
1. General Safety Requirements
This product complies with the requirements of the following directives of
the European Union for CE conformity: 2014/30/EU (electromagnetic
compatibility), 2014/35/EU (low voltage), 2011/65/EU (RoHS).
Before use, please read the following safety precautions to avoid any
possible bodily injury and to prevent this product or any other connected
products from damage. To avoid any contingent danger, ensure this product
is only used within the ranges specified.
Only a qualified person should perform internal maintenance.
To avoid Fire or Personal Injury:

Use Proper Power Cord. Use only the power cord supplied with the product
and certified to use in your country.

Connect or Disconnect Correctly. When the probe or test lead is connected
to a voltage source, please do not connect and disconnect the probe or test
lead.

Product Grounded. This instrument is grounded through the power cord
grounding conductor. To avoid electric shock, the grounding conductor must be
grounded. The product must be grounded properly before any connection with
its input or output terminals.
When the instrument is powered by AC, do not measure AC power
sources directly otherwise it will cause a short circuit. This is because
the testing ground and power cord ground conductor are connected.

Check all Terminal Ratings. To avoid fire or shock hazard, check all ratings
and markings on this product. Refer to the user manual for more information
about ratings before connecting to the instrument.

Do not operate without covers. Do not operate the instrument with covers or
panels removed.

Use the Proper Fuse. Use only the specified type and rating fuse for this
instrument.

Avoid exposed circuit. Be careful when working on exposed circuitry to avoid
risk of electric shock or other injury.

Do not operate if any damage. If you suspect damage to the instrument,
have it inspected by qualified service personnel before further use.

Use your Oscilloscope in a well-ventilated area. Make sure the instrument
installed with proper ventilation.

Do not operate in damp conditions.

Do not operate in an explosive atmosphere.

Keep product surfaces clean and dry.
1
2. Safety Terms and Symbols
Safety Terms
Terms in this manual (The following terms may appear in this manual):
Warning: Warning indicates conditions or practices that could result in
injury or loss of life.
Caution: Caution indicates the conditions or practices that could result in
damage to this product or other property.
Terms on the product. The following terms may appear on this product:
Danger: Indicates an immediate hazard or injury possibility.
Warning: Indicates a possible hazard or injury.
Caution: Indicates potential damage to the instrument or other property.
Safety Symbols
Symbols on the product. The following symbol may appear on the product:
Hazardous Voltage
Refer to Manual
Protective Earth Terminal
Chassis Ground
Test Ground
2
To avoid body damage and prevent product and connected equipment damage,
carefully read the following safety information before using the test tool. This
product can only be used in the specified applications.
Warning:
The two channels of the oscilloscope are not electrically isolated. The
channels should adopt a common ground during measuring. To prevent
short circuits, the 2 probe grounds must not be connected to 2 different
non-isolated DC levels.
The diagram of the oscilloscope ground wire connection:
Probe
Oscilloscope
Electrical Outlet
Signal Input
Power Cord
Ground Clip
It is not allowed to measure AC power when the AC powered oscilloscope is
connected to the AC-powered PC through the ports.
Warning:
To avoid fire or electrical shock, when the oscilloscope input
signal connected is more than 42V peak (30Vrms) or on circuits of
more than 4800VA, please take note of below items:
 Only use accessory insulated voltage probes and test lead.
 Check the accessories such as probe before use and
replace it if there are any damages.
 Remove probes, test
immediately after use.
leads
and
other
accessories
 Remove USB cable which connects oscilloscope and
computer.
 Do not apply input voltages above the rating of the
instrument because the probe tip voltage will directly
transmit to the oscilloscope. Use with caution when the
probe is set as 1:1.
 Do not use exposed metal BNC or banana plug connectors.
 Do not insert metal objects into connectors.
3
3. Quick Start
Introduction to the Structure of the Oscilloscope
This chapter makes a simple description of the operation and function of the front
panel of the oscilloscope, enabling you to be familiar with the use of the
oscilloscope in the shortest time.
Front Panel
The front panel has knobs and function buttons. The 5 buttons in the column on
the right side of the display screen are menu selection buttons, through which, you
can set the different options for the current menu. The other buttons are function
buttons, through which, you can enter different function menus or obtain a specific
function application directly.
2
1
9
8
7
6
5
3
4
Figure 3-1 Front panel
1. Display area
2. Menu selection buttons: Select the right menu item.
3. Control (button and knob) area
4. Probe Compensation: Measurement signal (5V/1kHz) output.
5. Run/Stop button：Enable or disable sampling on input signals.
Notice: When there is no sampling at STOP state, the vertical division and the
horizontal time base of the waveform still can be adjusted within a certain range,
in other words, the signal can be expanded in the horizontal or vertical direction.
When the horizontal time base is ≤50ms, the horizontal time base can be
expanded for 4 divisions downwards.
6. Function button area: Total 5 buttons.
4
7. Copy button: This button is the shortcut for Save function in the Utility
function menu. Pressing this button is equal to the Save option in the Save menu.
The waveform, configure or the display screen could be saved according to the
chosen type in the Save menu.
8. USB Host port: It is used to transfer data when external USB equipment
connects to the oscilloscope regarded as "host device". For example: Saving
the waveform to USB flash disk needs to use this port.
9. Power on/off
Rear Panel
1
2
5
3
4
Figure 3-2 Rear Panel
1. Handle
2. Air vents
3. AC power input jack
4. Foot stool: Adjust the tilt angle of the oscilloscope.
5. USB Device port: It is used to transfer data when external USB equipment
connects to the oscilloscope regarded as "slave device". For example: to use
this port when connect PC to the oscilloscope by USB.
5
Control Area
5
1
2
4
3
Figure 3-3 Control Area Overview
1. Horizontal control area with 1 button and 2 knobs.
"HOR" button refer to horizontal system setting menu, "Horizontal Position"
knob control trigger position, " Horizontal Scale" control time base.
2. Trigger control area with 2 buttons and 1 knob.
The Trigger Level knob is to adjust trigger voltage. Other 2 buttons refer to
trigger system setting.
3. Signal Input Channel.
4. Vertical control area with 3 buttons and 4 knobs.
"CH1" and "CH2 " correspond to setting menu in CH1 and CH2, "Math" button
refer to math menu, the math menu consists of six kinds of operations,
including CH1-CH2, CH2-CH1, CH1+CH2, CH1*CH2, CH1/CH2 and FFT.
Two "Vertical Position" knob control the vertical position of CH1/CH2, and two
"Scale" knob control voltage scale of CH1, CH2.
5. M knob(Multipurpose knob): when a
symbol appears in the menu, it
indicates you can turn the M knob to select the menu or set the value. You can
push it to close the menu on the left and right.
6
User Interface Introduction
1 2 3
4 5 64
7
8
9
22
23
10
22
11
21
12
20
19
18
17
16
15
14
13
Figure 3-4 Illustrative Drawing of Display Interfaces
1. Waveform Display Area.
2. Run/Stop
3. The state of trigger, including:
Auto: Automatic mode and acquire waveform without triggering.
Trig: Trigger detected and acquire waveform.
Ready: Pre-triggered data captured and ready for a trigger.
Scan: Capture and display the waveform continuously.
Stop: Data acquisition stopped.
4. The two blue dotted lines indicates the vertical position of cursor
measurement.
5. The T pointer indicates the horizontal position for the trigger.
6. The pointer indicates the trigger position in the record length.
7. It shows present triggering value and displays the site of present window in
internal memory.
8. It indicates that there is a USB disk connecting with the oscilloscope.
9. Channel identifier of current menu.
10. The waveform of CH1.
11. Right Menu.
12. The waveform of CH2.
13. Current trigger type:
7
Rising edge triggering
Falling edge triggering
The reading shows the trigger level value of the corresponding channel.
14. It indicates the measured type and value of the corresponding channel. "T"
means period, "F" means frequency, "V" means the average value, "Vp"
the peak-peak value, "Vr" the root-mean-square value, "Ma" the maximum
amplitude value, "Mi" the minimum amplitude value, "Vt" the Voltage value
of the waveform's flat top value, "Vb" the Voltage value of the waveform's
flat base, "Va" the amplitude value, "Os" the overshoot value, "Ps" the
Preshoot value, "RT" the rise time value, "FT" the fall time value, "PW" the
+width value, "NW" the -Width value, "+D" the +Duty value, "-D" the -Duty
value, "PD" the Delay A->B
value, "ND" the Delay A->B value, "TR"
the Cycle RMS, "CR" the Cursor RMS, "WP" the Screen Duty, "RP" the
Phase, "+PC" the +Pulse count, "-PC" the - Pulse count, "+E" the Rise
edge count, "-E" the Fall edge count, "AR" the Area, "CA" the Cycle area.
15. The readings show the record length.
16. The frequency of the trigger signal.
17. The readings show current sample rate.
18. The readings indicate the corresponding Voltage Division and the Zero
Point positions of the channels. "BW" indicates bandwidth limit.
The icon shows the coupling mode of the channel.
"—" indicates direct current coupling
"～" indicates AC coupling
"
" indicates GND coupling
19. The reading shows the setting of main time base.
20. It is cursor measure window, showing the absolute values and the
readings of the cursors.
21. The blue pointer shows the grounding datum point (zero point position) of
the waveform of the CH2 channel. If the pointer is not displayed, it means
that this channel is not opened.
22. The two blue dotted lines indicate the horizontal position of cursor
measurement.
23. The yellow pointer indicates the grounding datum point (zero point position)
of the waveform of the CH1 channel. If the pointer is not displayed, it
means that the channel is not opened.
How to Implement the General Inspection
After you get a new oscilloscope, it is recommended that you should make a
check on the instrument according to the following steps:
1. Check whether there is any damage caused by transportation.
8
If it is found that the packaging carton or the foamed plastic protection cushion
has suffered serious damage, do not throw it away first till the complete device
and its accessories succeed in the electrical and mechanical property tests.
2. Check the Accessories
The supplied accessories have been already described in the " Appendix A:
Enclosure" of this Manual. You can check whether there is any loss of
accessories with reference to this description. If it is found that there is any
accessory lost or damaged, please get in touch with our distributor responsible
for this service or our local offices.
3. Check the Complete Instrument
If it is found that there is damage to the appearance of the instrument, or the
instrument can not work normally, or fails in the performance test, please get in
touch with our distributor responsible for this business or our local offices. If
there is damage to the instrument caused by the transportation, please keep
the package. With the transportation department or our distributor responsible
for this business informed about it, a repairing or replacement of the instrument
will be arranged by us.
How to Implement the Function Inspection
Make a fast function check to verify the normal operation of the instrument,
according to the following steps:
1. Connect the power cord to a power source. Press the
bottom left of the instrument.
button on the
The instrument carries out all self-check items and shows the Boot Logo. Push
the Utility button, select Function in the right menu. Select Adjust in the left
menu, select Default in the right menu. The default attenuation coefficient set
value of the probe in the menu is 10X.
2. Set the Switch in the Oscilloscope Probe as 10X and Connect the
Oscilloscope with CH1 Channel.
Align the slot in the probe with the plug in the CH1 connector BNC, and then
tighten the probe with rotating it to the right side.
Connect the probe tip and the ground clamp to the connector of the probe
compensator.
3. Push the Autoset Button on the front panel.
The square wave of 1 KHz frequency and 5V peak-peak value will be
displayed in several seconds (see Figure 3-5).
9
Figure 3-5 Auto set
Check CH2 by repeating Step 2 and Step 3.
How to Implement the Probe Compensation
When connect the probe with any input channel for the first time, make this
adjustment to match the probe with the input channel. The probe which is not
compensated or presents a compensation deviation will result in the
measuring error or mistake. For adjusting the probe compensation, please
carry out the following steps:
1. Set the attenuation coefficient of the probe in the menu as 10X and that of
the switch in the probe as 10X (see "How to Set the Probe Attenuation
Coefficient" on P11), and connect the probe with the CH1 channel. If a
probe hook tip is used, ensure that it keeps in close touch with the probe.
Connect the probe tip with the signal connector of the probe compensator
and connect the reference wire clamp with the ground wire connector of
the probe connector, and then push the Autoset button on the front panel.
2. Check the displayed waveforms and regulate the probe till a correct
compensation is achieved (see Figure 3-6 and Figure 3-7).
Overcompensated
Compensated correctly
Under
compensated
Figure 3-6 Displayed Waveforms of the Probe Compensation
3. Repeat the steps mentioned if needed.
10
Figure 3-7 Adjust Probe
How to Set the Probe Attenuation Coefficient
The probe has several attenuation coefficients, which will influence the vertical
scale factor of the oscilloscope.
To change or check the probe attenuation coefficient in the menu of
oscilloscope:
(1) Push the function menu button of the used channels (CH1 or CH2 button).
(2) Select Probe in the right menu; turn the M knob to select the proper value
in the left menu corresponding to the probe.
This setting will be valid all the time before it is changed again.
Caution:
The default attenuation coefficient of the probe on the instrument is
preset to 10X.
Make sure that the set value of the attenuation switch in the probe is
the same as the menu selection of the probe attenuation coefficient in
the oscilloscope.
The set values of the probe switch are 1X and 10X (see Figure 3-8).
Figure 3-8 Attenuation Switch
Caution:
When the attenuation switch is set to 1X, the probe will limit the
bandwidth of the oscilloscope in 5MHz. To use the full bandwidth of
the oscilloscope, the switch must be set to 10X.
11
How to Use the Probe Safely
The safety guard ring around the probe body protects your finger against any
electric shock, shown as Figure 3-9.
Figure 3-9 Finger Guard
Warning:
To avoid electric shock, always keep your finger behind the safety
guard ring of the probe during the operation.
To protect you from suffering from the electric shock, do not touch any
metal part of the probe tip when it is connected to the power supply.
Before making any measurements, always connect the probe to the
instrument and connect the ground terminal to the earth.
How to Implement Self-calibration
The self-calibration application can make the oscilloscope reach the optimum
condition rapidly to obtain the most accurate measurement value. You can
carry out this application program at any time. This program must be executed
whenever the change of ambient temperature is 5℃ or over.
Before performing a self-calibration, disconnect all probes or wires from the
input connector. Push the Utility button, select Function in the right menu,
select Adjust. in the left menu, select Self Cal in the right menu; run the
program after everything is ready.
Introduction to the Vertical System
As shown in Figure 3-10, there are a few of buttons and knobs in Vertical
Controls. The following practices will gradually direct you to be familiar with
the using of the vertical setting.
12
Figure 3-10 Vertical Control Zone
1. Use the Vertical Position knob to show the signal in the center of the
waveform window. The Vertical Position knob functions the regulating of the
vertical display position of the signal. Thus, when the Vertical Position knob is
rotated, the pointer of the earth datum point of the channel is directed to move
up and down following the waveform.
Measuring Skill
If the channel is under the DC coupling mode, you can rapidly measure the DC
component of the signal through the observation of the difference between the
wave form and the signal ground.
If the channel is under the AC mode, the DC component would be filtered out.
This mode helps you display the AC component of the signal with a higher
sensitivity.
Vertical offset back to 0 shortcut key
Turn the Vertical Position knob to change the vertical display position of
channel and push the position knob to set the vertical display position back to
0 as a shortcut key, this is especially helpful when the trace position is far out
of the screen and want it to get back to the screen center immediately.
2. Change the Vertical Setting and Observe the Consequent State Information
Change.
With the information displayed in the status bar at the bottom of the waveform
window, you can determine any changes in the channel vertical scale factor.

Turn the Vertical Scale knob and change the "Vertical Scale Factor
(Voltage Division)", it can be found that the scale factor of the channel
corresponding to the status bar has been changed accordingly.

Push buttons of CH1, CH2 and Math, the operation menu, symbols,
waveforms and scale factor status information of the corresponding
channel will be displayed in the screen.
13
Introduction to the Horizontal System
Shown as Figure 3-11, there are a button and two knobs in the Horizontal
Controls. The following practices will gradually direct you to be familiar with
the setting of horizontal time base.
Figure 3-11 Horizontal Control Zone
1. Turn the Horizontal Scale knob to change the horizontal time base setting
and observe the consequent status information change. Turn the
Horizontal Scale knob to change the horizontal time base, and it can be
found that the Horizontal Time Base display in the status bar changes
accordingly.
2. Use the Horizontal Position knob to adjust the horizontal position of the
signal in the waveform window. The Horizontal Position knob is used to
control the triggering displacement of the signal or for other special
applications. If it is applied to triggering the displacement, it can be
observed that the waveform moves horizontally with the knob when you
rotate the Horizontal Position knob.
Triggering displacement back to 0 shortcut key
Turn the Horizontal Position knob to change the horizontal position of
channel and push the Horizontal Position knob to set the triggering
displacement back to 0 as a shortcut key.
3. Push the Horizontal HOR button to switch between the normal mode and
the wave zoom mode.
14
Introduction to the Trigger System
As shown in Figure 3-12, there are one knob and three buttons make up
Trigger Controls. The following practices will direct you to be familiar with the
setting of the trigger system gradually.
Figure 3-12 Trigger Control Zone
1. Push the Trigger Menu button and call out the trigger menu. With the
operations of the menu selection buttons, the trigger setting can be
changed.
2. Use the Trigger Level knob to change the trigger level setting.
By turning the Trigger Level knob, the trigger indicator in the screen will
move up and down. With the movement of the trigger indicator, it can be
observed that the trigger level value displayed in the screen changes
accordingly.
Note: Turning the Trigger Level knob can change trigger level value and
it is also the hotkey to set trigger level as the vertical mid point values of
the amplitude of the trigger signal.
3. Push the Force button to force a trigger signal, which is mainly applied to
the "Normal" and "Single" trigger modes.
15
4. Advanced User Guidebook
This chapter will deal with the following topics mainly:

How to Set the Vertical System

How to Set the Horizontal System

How to Set the Trigger System

How to Set the Sampling/Display

How to Save and Recall Waveform

How to Implement the Auxiliary System Function Setting

How to Update your Instrument Firmware

How to Measure Automatically

How to Measure with Cursors

How to Use Executive Buttons
It is recommended that you read this chapter carefully to get acquainted the
various measurement functions and other operation methods of the
oscilloscope.
16
How to Set the Vertical System
The VERTICAL CONTROLS includes three menu buttons such as CH1, CH2
and Math, and four knobs such as Vertical Position, Vertical Scale for each
channel.
Setting of CH1 and CH2
Each channel has an independent vertical menu and each item is set
respectively based on the channel.
To turn waveforms on or off (channel, math)
Pushing the CH1, CH2, or Math buttons have the following effect:
• If the waveform is off, the waveform is turned on and its menu is displayed.
• If the waveform is on and its menu is not displayed, its menu will be
displayed.
• If the waveform is on and its menu is displayed, the waveform is turned off
and its menu goes away.
The description of the Channel Menu is shown as the following list:
Function
Menu
Coupling
Inverted
Probe
Setting
DC
AC
Ground
ON
OFF
1X
10X
100X
1000X
OFF
MeasCurr
V/A
mV/A
Limit (only for
50M&100M
model)
OFF
20M
Description
Pass both AC and DC components of the input
signal.
Block the DC component of the input signal.
Disconnect the input signal.
Display inverted waveform.
Display original waveform.
Match this to the probe attenuation factor to have
an accurate reading of vertical scale.
Turn measuring current off.
Turn measuring current on.
Turn the M knob to set the Amps/Volts ratio. The
range is 100 mA/V - 1 KA/V.
Amps/Volts ratio = 1/Resistor value
Volts/Amp ratio is automatically calculated.
Turn bandwidth off.
Limit the channel bandwidth to 20MHz to reduce
display noise.
1. To set channel coupling
Taking the Channel 1 for example, the measured signal is a square wave
17
signal containing the direct current bias. The operation steps are shown as
below:
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Coupling as DC. Both DC and AC
components of the signal are passed.
(3) In the right menu, select Coupling as AC. The direct current
component of the signal is blocked.
2. To invert a waveform
Waveform inverted: the displayed signal is turned 180 degrees against the
phase of the earth potential.
Taking the Channel 1 for example, the operation steps are shown as
follows:
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Inverted as ON, the waveform is inverted.
Push again to switch to OFF, the waveform goes back to its original
one.
3. To adjust the probe attenuation
For correct measurements, the attenuation coefficient settings in the
operating menu of the Channel should always match what is on the probe
(see "How to Set the Probe Attenuation Coefficient" on P11). If the
attenuation coefficient of the probe is 1:1, the menu setting of the input
channel should be set to1X.
Take the Channel 1 as an example, the attenuation coefficient of the probe
is 10:1, the operation steps are shown as follows:
(1) Push the CH1 button to show the CH1 SETUP menu.
(2) In the right menu, select Probe. In the left menu, turn the M knob to set
it as 10X.
4. To measure current by probing the voltage drop across a resistor
Take the Channel 1 as an example, if you are measuring current by
probing the voltage drop across a 1Ω resistor, the operation steps are
shown as follows:
(1) Push the CH1 button to show CH1 SETUP menu.
(2) In the right menu, set MeasCurr as V/A mV/A, turn the M knob to set
the Amps/Volts ratio. Amps/Volts ratio = 1/Resistor value. Here the
A/V radio should be set to 1.
18
Use Mathematical Manipulation Function
The Mathematical Manipulation function is used to show the results of the
addition, multiplication, division and subtraction operations between two
channels, or the FFT operation for a channel. Press the Math button to display
the menu on the right.
The Waveform Calculation
Press the Math button to display the menu on the right, select Type as Math.
Function Menu
Type
Factor1
Setting
Math
CH1
CH2
Sign
+-*/
Factor2
CH1
CH2
Description
Display the Math menu
Select the signal source of the factor1
Select
the
sign
of
mathematical
manipulation
Select the signal source of the factor2
Next Page
Vertical
(div)
Vertical
(V/div)
Prev Page
Enter next page
Turn the M knob to adjust the vertical
position of the Math waveform.
Turn the M knob to adjust the voltage
division of the Math waveform.
Enter previous page
Taking the additive operation between Channel 1 and Channels 2 for example,
the operation steps are as follows:
1. Press the Math button to display the math menu in the right. The pink M
waveform appears on the screen.
2. In the right menu, select Type as Math.
3. In the right menu, select Factor1 as CH1.
4. In the right menu, select Sign as +.
5. In the right menu, select Factor2 as CH2.
6. Press Next Page in the right menu. Select Vertical (div), the
symbol is
in front of div, turn the M knob to adjust the vertical position of Math
waveform.
7. Select Vertical (V/div) in the right menu, the
symbol is in front of the
voltage, turn the M knob to adjust the voltage division of Math waveform.
19
Using FFT function
The FFT (fast Fourier transform) math function mathematically converts a
time-domain waveform into its frequency components. It is very useful for
analyzing the input signal on Oscilloscope. You can match these frequencies with
known system frequencies, such as system clocks, oscillators, or power supplies.
FFT function in this oscilloscope transforms 2048 data points of the time-domain
signal into its frequency components mathematically (the record length should be
10K or above). The final frequency contains 1024 points ranging from 0Hz to
Nyquist frequency.
Press the Math button to display the menu on the right, select Type as FFT.
Function Menu
Type
Source
Setting
FFT
CH1
Description
Display the FFT menu
Select CH1 as FFT source.
CH2
Select CH2 as FFT source.
Hamming
Rectangle
Blackman
Window
Select window for FFT.
Hanning
Kaiser
Bartlett
Vrms
Format
Select Vrms for Format.
dB
Select dB for Format.
Next Page
Enter next page
frequency
Hori (Hz)
Vertical
Prev Page
Switch to select the horizontal
frequency/di position or time base of the FFT
waveform, turn the M knob to adjust it
v
Switch to select the vertical position or
div
voltage division of the FFT waveform,
V or dBVrms turn the M knob to adjust it
Enter previous page
Taking the FFT operation for example, the operation steps are as follows:
1. Press the Math button to display the math menu in the right.
2. In the right menu, select Type as FFT.
3. In the right menu, select Source as CH1.
4. In the right menu, select Window. Select the proper window type in the left
menu.
20
5. In the right menu, select Format as Vrms or dB.
6. In the right menu, press Hori (Hz) to make the
symbol in front of the
frequency value, turn the M knob to adjust the horizontal position of FFT
waveform; then press to make the
symbol in front of the frequency/div
below, turn the M knob to adjust the time base of FFT waveform.
7. Select Vertical in the right menu; do the same operations as above to set the
vertical position and voltage division.
To select the FFT window
■ There are 6 FFT windows. Each one has trade-offs between frequency
resolution and magnitude accuracy. What you want to measure and your source
signal characteristics help you to determine which window to use. Use the
following guidelines to select the best window.
Type
Characteristics
Window
Better solution for magnitude than Rectangle,
and good for frequency as well. It has slightly
better frequency resolution than Hanning.
Recommend to use for:
Hamming

Sine, periodic and narrow band random
noise.

Transients or bursts where the signal levels
before and after the event are significantly
different.
Best solution
magnitude.
for
frequency,
worst
for
Best type for measuring the frequency
spectrum of nonrepetitive signals and
measuring frequency components near DC.
Rectangle
Recommend to use for:

Transients or bursts, the signal level before
and after the event are nearly equal.

Equal-amplitude
sine
waves
frequencies those are very close.

Broadband random noise with a relatively
slow varying spectrum.
21
with
Best solution
frequency.
Blackman
for
magnitude,
worst
for
Recommend to use for:

Single frequency waveforms, to find higher
order harmonics.
Good for magnitude, but poorer frequency
resolution than Hamming.
Recommend to use for:
Hanning

Sine, periodic and narrow band random
noise.

Transients or bursts where the signal levels
before and after the event are significantly
different.
The frequency resolution when using the
Kaiser window is fair; the spectral leakage and
amplitude accuracy are both good.
Kaiser
Bartlett
The Kaiser window is best used when
frequencies are very close to the same value
but have widely differing amplitudes (the side
lobe level and shape factor are closest to the
traditional Gaussian RBW). This window is also
good for random signals.
The Bartlett window is a slightly narrower
variant of the triangular window, with zero
weight at both ends.
Notes for using FFT
 Use the default dB scale for details of multiple frequencies, even if they have
very different amplitudes. Use the Vrms scale to compare frequencies.
 DC component or offset can cause incorrect magnitude values of FFT
waveform. To minimize the DC component, choose AC Coupling on the source
signal.
 To reduce random noise and aliased components in repetitive or single-shot
events, set the oscilloscope acquisition mode to average.
What is Nyquist frequency?
The Nyquist frequency is the highest frequency that any real-time digitizing
oscilloscope can acquire without aliasing. This frequency is half of the sample rate.
Frequencies above the Nyquist frequency will be under sampled, which causes
22
aliasing. So pay more attention to the relation between the frequency being
sampled and measured.
Use Vertical Position and Scale Knobs
1. The Vertical Position knob is used to adjust the vertical positions of the
waveforms.
The analytic resolution of this control knob changes with the vertical
division.
2. The Vertical Scale knob is used to regulate the vertical resolution of the
wave forms. The sensitivity of the vertical division steps as 1-2-5.
The vertical position and vertical resolution is displayed at the left bottom
corner of the screen (see Figure 4-1).
Figure 4-1 Information about Vertical Position
How to Set the Horizontal System
The HORIZONTAL CONTROLS includes the Horizontal HOR button and
such knobs as Horizontal Position and Horizontal Scale.
1. Horizontal Position knob: this knob is used to adjust the horizontal
positions of all channels (include those obtained from the mathematical
manipulation), the analytic resolution of which changes with the time base.
2. Horizontal Scale knob: it is used to set the horizontal scale factor for
setting the main time base or the window.
3. Horizontal HOR button: push it to switch between the normal mode and
the wave zoom mode. For more detailed operations, see the introductions
below.
23
Zoom the Waveform
Push the Horizontal HOR button to enter wave zoom mode. The top half of the
display shows the Main window and the bottom half displays the Zoom window.
The Zoom window is a magnified portion of the Main window.
In normal mode, the Horizontal Position and Horizontal Scale knobs are used to
adjust the horizontal position and time base of the Main window.
In wave zoom mode, the Horizontal Position and Horizontal Scale knobs are
used to adjust the horizontal position and time base of the Zoom window.
How to Set the Trigger System
Trigger determines when DSO starts to acquire data and display waveform. Once
trigger is set correctly, it can convert the unstable display to meaningful waveform.
When DSO starts to acquire data, it will collect enough data to draw waveform on
left of trigger point. DSO continues to acquire data while waiting for trigger
condition to occur. Once it detects a trigger it will acquire enough data continuously
to draw the waveform on right of trigger point.
Trigger control area consists of 1 knob and 2 menu buttons.
Trigger Level: The knob that set the trigger level; push the knob and the level will
be set as the vertical mid point values of the amplitude of the trigger signal.
Force: Force to create a trigger signal and the function is mainly used in "Normal"
and "Single" mode.
Trigger Menu: The button that activates the trigger control menu.
Trigger Control
The oscilloscope provides two trigger types: single trigger, alternate trigger. Each
type of trigger has different sub menus.
Single trigger: Use a trigger level to capture stable waveforms in two channels
simultaneously.
Alternate trigger: Trigger on non-synchronized signals.
The Single Trigger, Alternate Trigger menus are described respectively as
follows:
24
Single Trigger
Single trigger has two types: edge trigger, video trigger.
Edge Trigger: It occurs when the trigger input passes through a specified voltage
level with the specified slope.
Video Trigger: Trigger on fields or lines for standard video signal.
The two trigger modes in Single Trigger are described respectively as follows:
1. Edge Trigger
An edge trigger occurs on trigger level value of the specified edge of input signal.
Select Edge trigger mode to trigger on rising edge or falling edge.
Push the Trigger Menu button to display the Trigger menu on the right. Select
Type as Single in the right menu. Select Single as Edge in the right menu.
In Edge Trigger mode, the trigger setting information is displayed on bottom right
，indicates that trigger type is edge,
of the screen, for example,
trigger source is CH1, coupling is DC, and trigger level is 0.00mV.
Edge menu list:
Menu
Settings
Type
Single
Single
Edge
Source
CH1
CH2
Mode
Auto
Normal
Single
Next Page
Coupling
Slope
Holdoff
Holdoff
Reset
Prev Page
AC
DC
Instruction
Set vertical channel trigger type as single trigger.
Set vertical channel single trigger type as edge
trigger.
Channel 1 as trigger signal.
Channel 2 as trigger signal.
Acquire waveform even no trigger occurs
Acquire waveform when trigger occurs
When trigger occurs, acquire one waveform then
stop
Enter next page
Block the direct current component.
Allow all component pass.
Trigger on rising edge
Trigger on falling edge
100 ns - 10 s, turn the M knob to set time interval
before another trigger occur.
Set Holdoff time as default value (100 ns).
Enter previous page
Trigger Level: trigger level indicates vertical trig position of the channel, rotate trig
level knob to move trigger level, during setting, a dotted line displays to show trig
25
position, and the value of trigger level changes at the right corner, after setting,
dotted line disappears.
2. Video Trigger
Choose video trigger to trigger on fields or lines of NTSC, PAL or SECAM standard
video signals.
Push the Trigger Menu button to display the Trigger menu on the right. Select
Type as Single in the right menu. Select Single as Video in the right menu.
In Video Trigger mode, the trigger setting information is displayed on bottom right
，indicates that trigger type is Video,
of the screen, for example,
trigger source is CH1, and Sync type is Even.
Video Trigger menu list:
MENU
SETTING
Type
Single
Single
Source
Modu
Video
CH1
CH2
NTSC
PAL
SECAM
Next
Page
Sync
Prev
Page
INSTRUCTION
Set vertical channel trigger type as single trigger.
Set vertical channel single trigger type as video
trigger.
Select CH1 as the trigger source
Select CH2 as the trigger source
Select video modulation
Enter next page
Line
Field
Odd
Even
Line NO.
Synchronic trigger in video line
Synchronic trigger in video field
Synchronic trigger in video odd filed
Synchronic trigger in video even field
Synchronic trigger in designed video line. Press
Line NO. menu item, turn the M knob to set the line
number.
Enter previous page
26
Alternate Trigger (Trigger mode: Edge)
Trigger signal comes from two vertical channels when alternate trigger is on. This
mode is used to observe two unrelated signals. Trigger mode is edge trigger.
Alternate trigger (Trigger Type: Edge) menu list:
Menu
Settings
Instruction
Set vertical channel trigger type as alternate
Type
ALT
trigger.
CH1
Channel 1 as trigger signal.
Source
CH2
Channel 2 as trigger signal.
Next Page
Enter next page
AC
Block the direct current component.
Coupling
DC
Allow all component pass.
Slope
Trigger on rising edge
Trigger on falling edge
Holdoff
100 ns - 10 s, turn the M knob to set time interval
before another trigger occur.
Holdoff
Reset
Prev Page
Set Holdoff time as default value (100 ns).
Enter previous page
How to Operate the Function Menu
The function menu control zone includes 4 function menu buttons: Utility,
Measure, Acquire, Cursor, and 2 immediate-execution buttons: Autoset,
Run/Stop.
How to Set the Sampling/Display
Push the Acquire button, the Sampling and Display menu is shown in the right as
follows:
27
Function
Menu
Acqu Mode
Type
Persist
XY Mode
Counter
Setting
Description
Sample
Normal sampling mode.
Peak Detect Use to capture maximal and minimal samples.
Finding highest and lowest points over
adjacent intervals. It is used for the detection of
the jamming burr and the possibility of reducing
the confusion.
Average
It is used to reduce the random and don't-care
noises, with the optional number of averages.
Turn the M knob to select 4, 16, 64, 128 in the
left menu.
Dots
Only the sampling points are displayed.
Vect
The space between the adjacent sampling
points in the display is filled with the vector
form.
OFF
1 Second
2 Seconds Set the persistence time
5 Seconds
Infinity
ON
OFF
ON
OFF
Turn on/off XY display function
Turn on/off counter
Persist
When the Persist function is used, the persistence display effect of the picture
tube oscilloscope can be simulated. The reserved original data is displayed in fade
color and the new data is in bright color.
(1) Push the Acquire button.
(2) In the right menu, press Persist to select the persist time, including OFF, 1
Second, 2 Seconds, 5 Seconds and Infinity. When the "Infinity" option is
set for Persist Time, the measuring points will be stored till the controlling value
is changed. Select OFF to turn off persistence and clear the display.
28
XY Format
This format is only applicable to Channel 1 and Channel 2. After the XY display
format is selected, Channel 1 is displayed in the horizontal axis and Channel 2 in
the vertical axis; the oscilloscope is set in the un-triggered sample mode: the data
are displayed as bright spots.
The operations of all control knobs are as follows:

The Vertical Scale and the Vertical Position knobs of Channel 1 are used to
set the horizontal scale and position.

The Vertical Scale and the Vertical Position knobs of Channel 2 are used to
set the vertical scale and position continuously.
The following functions can not work in the XY Format:

Reference or digital wave form

Cursor

Trigger control

FFT
Operation steps:
1. Push the Acquire button to show the right menu.
2. Select XY Mode as ON or OFF in the right menu.
Counter
It is a 6-digit single-channel counter. The counter can only measure the frequency
of the triggering channel. The frequency range is from 2Hz to the full bandwidth.
Only if the measured channel is in Edge mode of Single trigger type, the counter
can be enabled. The counter is displayed at the bottom of the screen.
Operation steps:
1. Push Trigger Menu button, set the trigger type to Single, set the trigger mode
to Edge, select the signal source.
2. Push the Acquire button to show the right menu.
3. Select Counter as ON or OFF in the right menu.
29
How to Save and Recall a Waveform
Push the Utility button, select Function in the right menu, select Save in the left
menu. By selecting Type in the right menu, you can save the waveforms,
configures or screen images.
When the Type is selected as Wave, the menu is shown as the following table:
Function Menu
Function
Type
Source
Object
Setting
Save
Wave
CH1
CH2
Math
All
ON
OFF
Next Page
Close All
File Format
BIN
TXT
CSV
Save
Storage
Prev Page
Internal
External
Description
Display the save function menu
Choose the saving type as wave.
Choose the waveform to be saved.
(Choose All to save all the waveforms
that are turned on. You can save into
the current internal object address, or
into USB storage as a single file.)
The object Wave0 –Wave15 are listed
in the left menu, turn the M knob to
choose the object which the waveform
is saved to or recall from.
Recall or close the waveform stored in
the current object address. When the
show is ON, if the current object
address has been used, the stored
waveform will be shown, the address
number and relevant information will be
displayed at the top left of the screen; if
the address is empty, it will prompt
"None is saved".
Enter next page
Close all the waveforms stored in the
object address.
For internal storage, only BIN can be
selected. For external storage, the
format can be BIN, TXT or CSV.
Save the waveform of the source to the
selected address.
Save to internal storage or USB
storage. When External is selected, the
file name is editable. The BIN
waveform file could be open by
waveform analysis software (on the
supplied CD).
Enter previous page
30
When the Type is selected as Configure, the menu is shown as the following
table:
Function Menu
Setting
Description
Function
Save
Configur
e
Setting1
…..
Setting8
Display the save function menu
Type
Configure
Choose the saving type as configure.
The setting address
Save the current oscilloscope configure
to the internal storage
Recall the configure from the selected
address
Save
Load
When the Type is selected as Image, the menu is shown as the following table:
Function Menu
Function
Type
Setting
Save
Image
Save
Description
Display the save function menu
Choose the saving type as image.
Save the current display screen. The
file can be only stored in a USB
storage, so a USB storage must be
connected first. The file name is
editable. The file is stored in BMP
format.
Save and Recall the Waveform
The oscilloscope can store 16 waveforms, which can be displayed with the current
waveform at the same time. The stored waveform called out can not be adjusted.
In order to save the waveform of CH1, CH2 and Math into the object Wave0, the
operation steps should be followed:
1. Turn on CH1, CH2 and Math channels.
2. Push the Utility button, select Function in the right menu, select Save in the
left menu. In the right menu, select Type as Wave.
3. Saving: In the right menu, select Source as All.
4. In the right menu, press Object. Select Wave0 as object address in the left
menu.
5. In the right menu, press Next Page, and select Storage as Internal.
6. In the right menu, press Save to save the waveform.
7. Recalling: In the right menu, press Prev Page, and press Object, select
Wave0 in the left menu. In the right menu, select Object as ON, the waveform
31
stored in the address will be shown, the address number and relevant
information will be displayed at the top left of the screen.
In order to save the waveform of CH1 and CH2 into the USB storage as a BIN file,
the operation steps should be followed:
1. Turn on CH1 and CH2 channels, turn off the Math channel.
2. Push the Utility button, select Function in the right menu, select Save in the
left menu. In the right menu, select Type as Wave.
3. Saving: In the right menu, select Source as All.
4. In the right menu, press Next Page, and select File Format as BIN.
5. In the right menu, select Storage as External.
6. In the right menu, select Storage, an input keyboard used to edit the file name
will pop up. The default name is current system date and time. Turn the M
knob to choose the keys; press the M knob to input the chosen key. The length
of file name is up to 25 characters. Select the
key in the keyboard to
confirm.
7. Recalling: The BIN waveform file could be open by waveform analysis
software (on the supplied CD).
Shortcut for Save function:
The Copy button on the bottom right of the front panel is the shortcut for Save
function in the Utility function menu. Pressing this button is equal to the Save
option in the Save menu. The waveform, configure or the display screen could be
saved according to the chosen type in the Save menu.
Save the current screen image:
The screen image can only be stored in USB disk, so you should connect a USB
disk with the instrument.
1. Install the USB disk: Insert the USB disk into the "8. USB Host port" of
"Figure 3-1 Front panel". If an icon
appears on the top right of the screen,
the USB disk is installed successfully. If the USB disk cannot be recognized,
format the USB disk according to the methods in "USB disk Requirements" on
P33.
2. After the USB disk is installed, push the Utility button, select Function in the
right menu, select Save in the left menu. In the right menu, select Type as
Image.
3. Select Save in the right menu, an input keyboard used to edit the file name will
pop up. The default name is current system date and time. Turn the M knob to
choose the keys; press the M knob to input the chosen key. The length of file
name is up to 25 characters. Select the
key in the keyboard to confirm.
32
USB disk Requirements
Support USB disk format: USB 2.0 or below, FAT16 or FAT32, allocation unit size
no exceed 4k, max capacity 64G. If the USB disk doesn't work properly, format
your USB disk and then try again. There are two methods in format the USB disk,
first by using computer system to format, the other one is through formatting
software to format. (8G or above USB disk can only use the second method to
format, that is through formatting software to format.)
Use system-provided function to format the USB disk
1. Connect the USB disk to the computer.
2. Right click Computer- Manage to enter Computer Management interface.
3. Click Disk Management menu, and information about the USB disk will display
on the right side with red mark 1 and 2.
Figure 4-2: Disk Management of computer
4. Right click 1 or 2 red mark area, choose Format. And system will pop up a
warning message, click Yes.
Figure 4-3: Format the USB disk warning
5. Set File System as FAT32, Allocation unit size 4096. Check "Perform a quick
format" to execute a quick format. Click OK, and then click Yes on the warning
33
message.
Figure 4-4: Formatting the USB disk setting
6. Formatting process.
Figure 4-5: Formatting the USB disk
7.
Check whether the USB disk is FAT32 with allocation unit size 4096 after
formatting.
Use Minitool Partition Wizard to format
Download URL: http://www.partitionwizard.com/free-partition-manager.html
Tip: There are many tools for the USB disk formatting on the market, just take
Minitool Partition Wizard for example here.
1. Connect the USB disk to the computer.
2. Open the software Minitool Partition Wizard.
34
3. Click Reload Disk on the pull-down menu at the top left or push keyboard F5,
and information about the USB disk will display on the right side with red mark
1 and 2.
Figure 4-6: Reload Disk
4. Right click 1 or 2 red mark area, choose Format.
Figure 4-7: Choose format
5. Set File System FAT32, Cluster size 4096. Click OK.
Figure 4-8: Format setting
6. Click Apply at the top left of the menu. Then click Yes on the pop-up warning
35
to begin formatting.
Figure 4-9: Apply setting
7. Formatting process
Figure 4-10: Format process
8.
Format the USB disk successfully
Figure 4-11: Format successfully
How to Implement the Auxiliary System Function Setting
●Config
Push the Utility button, select Function in the right menu, select Configure in
the left menu.
The description of Configure Menu is shown as the follows:
36
Function
Menu
Function
Language
Setting
Configure
KeyLock
Device
PC
U-Disk
USBTMC
About
Description
Show the configure menu
Set the System Language
Lock all keys. Unlock method: push
Trigger Menu button in trigger control
area, then push Force button, repeat 3
times.
Select the active interface on the device.
For data transfer to the PC, for saving to a
USB stick or for serial transfer with
USBTMC
Show the version and serial number
●Display
Push the Utility button, select Function in the right menu, select Display in the
left menu.
The description of Display Menu is shown as the follows:
Function Menu
Function
BackLight
Setting
Display
0% - 100%
Graticule
Menu Time
Description
Show the display menu
Turn the M knob to adjust the backlight.
Select the grid type
OFF, 5S –
30S
Turn the M knob to set the disappear
time of menu
●Adjust
Push the Utility button, select Function in the right menu, select Adjust in the
left menu.
The description of Adjust Menu is shown as the follows:
Function Menu
Self Cal
Default
ProbeCh.
Description
Carry out the self-calibration procedure.
Call out the factory settings.
Check whether probe attenuation is good.
Do Self Cal (Self-Calibration)
The self-calibration procedure can improve the accuracy of the oscilloscope
37
under the ambient temperature to the greatest extent. If the change of the
ambient temperature is up to or exceeds 5℃, the self-calibration procedure
should be executed to obtain the highest level of accuracy.
Before executing the self-calibration procedure, disconnect all probes or wires
from the input connector. Push the Utility button, select Function in the right
menu, the function menu will display at the left, select Adjust. If everything is
ready, select Self Cal in the right menu to enter the self-calibration procedure of
the instrument.
Probe checking
To check whether probe attenuation is good. The results contain three
circumstances: Overflow compensation, Good compensation, Inadequate
compensation. According to the checking result, users can adjust probe
attenuation to the best. Operation steps are as follows:
1. Connect the probe to CH1, adjust the probe attenuation to the maximum.
2. Push the Utility button, select Function in the right menu, select Adjust in the
left menu.
3. Select ProbeCh. in the right menu, tips about probe checking shows on the
screen.
4. Select ProbeCh. again to begin probe checking and the checking result will
occur after 3s; push any other key to quit.
● Save
You can save the waveforms, configures or screen images. Refer to "
How to Save and Recall a Waveform" on page 30.
● Update
Use the front-panel USB port to update your instrument firmware using a USB
memory device. Refer to "How to Update your Instrument Firmware" on page 40.
● AutoScale
This is a very useful function for first time users to carry out a simple and quick test
on the input signal. The function is applied to follow-up signals automatically even
if the signals change at any time. Autoscale enables the instrument to set up
trigger mode, voltage division and time scale automatically according to the type,
38
amplitude and frequency of the signals.
The menu is as follows:
Function
Setting
Instruction
Menu
Autoscale
ON
Turn on Autoscale.
OFF
Turn off Autoscale.
Follow-up and adjust both vertical and horizontal
settings.
Mode
Follow-up and only adjust horizontal scale.
Follow-up and only adjust vertical scale.
Show Multi-period waveforms.
Wave
Only show one or two periods.
If you want to measure the two-channel signal, you can do as the follows:
1. Push the Utility button, the function menu will appear.
2. In the left menu, Press the menu key on the right side of the screen orturn the
M knob to select Autoscale.
3. In the right menu, select ON in the Autoscale menu item.
4. In the right menu, select Mode, select
.
5. In the right menu, select Wave, select
.
Then the wave is displayed in the screen, shown as Figure 4-12.
39
Figure 4-12：Autoscale Horizontal-Vertical multi-period waveforms
Note:
1. Entering into Autoscale function and the symbol ○,A will be flickering on the top
left of the screen.
2. At the mode of XY and STOP status, when entering into Autoscale, DSO
switches to YT mode and AUTO triggering.
3. At the mode of Autoscale, DSO is always set as DC coupling with AUTO
triggering.
4. At the mode of Autoscale, if adjust the vertical position, voltage division, trigger
level or time scale of CH1 or CH2, the oscilloscope will turn off Autoscale
function. To back to Autoscale, Push Autoset.
5. Turn off the submenu at the Autoscale menu, the Autoscale is off and turn on
the submenu still enters into the function.
6. When video triggering, the horizontal time scale is 50us. If one channel is
showing edge signal, the other channel is showing video one, the time scale
refers to 50us as video one as standard.
7. While the Autoscale is working, the settings below will be made forcibly:
The DSO will switch from the wave zoom mode to the normal mode.
How to Update your Instrument Firmware
Use the front-panel USB port to update your instrument firmware using a USB
memory device.
USB memory device requirements: Insert a USB memory device into the USB
port on the front panel. If the icon
appears on the top right of the screen, the
USB memory device is installed successfully. If the USB memory device cannot be
detected, format the USB memory device according to the methods in "USB disk
Requirements" on P33.
40
Caution: Updating your instrument firmware is a sensitive operation, to prevent
damage to the instrument, do not power off the instrument or remove the USB
memory device during the update process.
To update your instrument firmware, do the following:
1. Push the Utility button, select Function in the right menu, select Configure in
the left menu, select About in the right menu. View the model and the currently
installed firmware version.
2. Check if the website offers a newer firmware version. Download the firmware
file. The file name must be Scope.update. Copy the firmware file onto the root
directory of your USB memory device.
3. Insert the USB memory device into the front-panel USB port on your
instrument.
4. Push the Utility button, select Function in the right menu, select Update in the
left menu.
5. In the right menu, select Start, the messages below will be shown.
6. In the right menu, select Start again, the interfaces below will be displayed in
sequence. The update process will take up to three minutes. After completion,
the instrument will be shut down automatically.
7. Press the
button to power on the instrument.
41
How to Measure Automatically
Push the Measure button to display the menu for the settings of the Automatic
Measurements. At most 8 types of measurements could be displayed on the
bottom left of the screen.
The oscilloscopes provide 30 parameters for auto measurement, including
Period, Frequency, Mean, PK-PK, RMS, Max, Min, Top, Base, Amplitude,
Overshoot, Preshoot, Rise Time, Fall Time, +PulseWidth, -PulseWidth, +Duty
Cycle, -Duty Cycle, Delay A→B , Delay A→B , Cycle RMS, Cursor RMS,
Screen Duty, Phase, +PulseCount, -PulseCount, RiseEdgeCnt, FallEdgeCnt,
Area, and Cycle Area.
The "Automatic Measurements" menu is described as the following table:
Function Menu
Setting
AddCH1
Meas Type
(left menu)
AddCH2
Meas Type
(left menu)
Show
Remove
Remove All
OFF
CH1
CH2
Meas Type
(left menu)
Description
Press to show the left menu, turn the M
knob to select the measure type, press
AddCH1 again to add the selected
measure type of CH1.
Press to show the left menu, turn the M
knob to select the measure type, press
AddCH2 again to add the selected
measure type of CH2.
Hide the window of measures
Show all the measures of CH1 on the
screen
Show all the measures of CH2 on the
screen
Press to show the left menu, turn the M
knob to select the type need to be deleted,
press Remove again to remove the
selected measure type.
Remove all the measures
Measure
Only if the waveform channel is in the ON state, the measurement can be
performed. The automatic measurement can not be performed in the following
situation: 1) On the saved waveform. 2) On the Dual Wfm Math waveform. 3) On
the Video trigger mode.
On the Scan format, period and frequency can not be measured.
Measure the period, the frequency of the CH1, following the steps below:
42
1. Push the Measure button to show the right menu.
2. Select AddCH1 in the right menu.
3. In the left Type menu, turn the M knob to select Period.
4. In the right menu, select AddCH1. The period type is added.
5. In the left Type menu, turn the M knob to select Frequency.
6. In the right menu, select AddCH1. The frequency type is added.
The measured value will be displayed at the bottom left of the screen
automatically (see Figure 4-13).
Figure 4-13 Automatic measurement
The automatic measurement of voltage parameters
The oscilloscopes provide automatic voltage measurements including Mean,
PK-PK, RMS, Max, Min, Vtop, Vbase, Vamp, OverShoot, PreShoot, Cycle RMS,
and Cursor RMS. Figure 4-14 below shows a pulse with some of the voltage
measurement points.
Figure 4-14
Mean: The arithmetic mean over the entire waveform.
PK-PK: Peak-to-Peak Voltage.
RMS: The true Root Mean Square voltage over the entire waveform.
Max: The maximum amplitude. The most positive peak voltage measured over
43
the entire waveform.
Min: The minimum amplitude. The most negative peak voltage measured over
the entire waveform.
Vtop: Voltage of the waveform's flat top, useful for square/pulse waveforms.
Vbase: Voltage of the waveform's flat base, useful for square/pulse waveforms.
Vamp: Voltage between Vtop and Vbase of a waveform.
OverShoot: Defined as (Vmax-Vtop)/Vamp, useful for square and pulse
waveforms.
PreShoot: Defined as (Vmin-Vbase)/Vamp, useful for square and pulse
waveforms.
Cycle RMS: The true Root Mean Square voltage over the first entire period of
the waveform.
Cursor RMS: The true Root Mean Square voltage over the range of two cursors.
The automatic measurement of time parameters
The oscilloscopes provide time parameters auto-measurements include Period,
Frequency, Rise Time, Fall Time, +D width, -D width, +Duty, -Duty, Delay
A→B , Delay A→B , and Duty cycle.
Figure 4-15 shows a pulse with some of the time measurement points.
Figure 4-15
Rise Time: Time that the leading edge of the first pulse in the waveform takes
to rise from 10% to 90% of its amplitude.
Fall Time: Time that the falling edge of the first pulse in the waveform takes to
fall from 90% to 10% of its amplitude.
+D width: The width of the first positive pulse in 50% amplitude points.
-D width: The width of the first negative pulse in the 50% amplitude points.
+Duty: +Duty Cycle, defined as +Width/Period.
-Duty:-Duty Cycle, defined as -Width/Period.
44
Delay A→B
: The delay between the two channels at the rising edge.
Delay A→B : The delay between the two channels at the falling edge.
Screen Duty: Defines as (the width of the positive pulse)/(Entire period)
Phase: Compare the rising edge of CH1 and CH2, calculate phase difference
of two channels.
Phase difference=(Delay between channels at the rising
edge÷Period)×360°.
Other measurements
+PulseCount
: The number of positive pulses that rise above the mid
reference crossing in the waveform.
-PulseCount
: The number of negative pulses that fall below the mid
reference crossing in the waveform.
RiseEdgeCnt
: The number of positive transitions from the low
reference value to the high reference value in the waveform.
FallEdgeCnt
: The number of negative transitions from the high
reference value to the low reference value in the waveform.
Area
: The area of the whole waveform within the screen and the unit is
voltage-second. The area measured above the zero reference (namely the
vertical offset) is positive; the area measured below the zero reference is
negative. The area measured is the algebraic sum of the area of the whole
waveform within the screen.
Cycle Area
: The area of the first period of waveform on the screen and
the unit is voltage-second. The area above the zero reference (namely the
vertical offset) is positive and the area below the zero reference is negative.
The area measured is the algebraic sum of the area of the whole period
waveform.
Note: When the waveform on the screen is less than a period, the period area
measured is 0.
How to Measure with Cursors
Push the Cursor button to turn cursors on and display the cursor menu. Push it
again to turn cursors off.
The Cursor Measurement for normal mode:
The description of the cursor menu is shown as the following table:
Function
Menu
Setting
Description
Type
Voltage
Time
Display the voltage measurement cursor and
menu.
45
Time&Voltag
e
AutoCursr
Line
Type
(Time&Volt
age type)
Window
(Wave
zoom
mode)
Time
Voltage
Main
Extension
Display the time measurement cursor and
menu.
Display the time and voltage measurement
cursor and menu.
The horizontal cursors are set as the
intersections of the vertical cursors and the
waveform
Makes the vertical cursors active.
Makes the horizontal cursors active.
Measure in the main window.
Measure in the extension window.
a
b
ab
Turn the M knob to move line a.
Turn the M knob to move line b.
Line
Two cursors are linked. Turn the M knob to
move the pair of cursors.
CH1
Display the channel to which the cursor
Source
CH2
measurement will be applied.
Perform the following operation steps for the time and voltage cursor
measurement of the channel CH1:
1. Push Cursor to display the cursor menu.
2. In the right menu, select Source as CH1.
3. Press the first menu item in the right menu, select Time&Voltage for Type,
two blue dotted lines displayed along the horizontal direction of the screen,
two blue dotted lines displayed along the vertical direction of the screen.
Cursor measure window at the left bottom of the screen shows the cursor
readout.
4. In the right menu, select Line Type as Time to make the vertical cursors
active. If the Line in the right menu is select as a, turn the M knob to move
line a to the right or left. If b is selected, turn the M knob to move line b.
5. In the right menu, select Line Type as Voltage to make the horizontal
cursors active. Select Line in the right menu as a or b, turn the M knob to
move it.
6. Push the horizontal HOR button to enter wave zoom mode. Push Cursor
to show the right menu, select Window as Main or Extension to make the
cursors shown in the main window or zoom window.
46
Figure 4-16 Time&Voltage Cursor Measurement
Auto Cursor
For the AutoCursr type, the horizontal cursors are set as the intersections of the
vertical cursors and the waveform.
The Cursor Measurement for FFT mode
In FFT mode, push the Cursor button to turn cursors on and display the cursor
menu.
The description of the cursor menu in FFT mode is shown as the following table:
Function
Menu
Type
Setting
Vamp
Freq
Freq&Vamp
Description
Display the Vamp measurement cursor and
menu.
Display the Freq measurement cursor and
menu.
47
AutoCursr
Line Type
(Freq&Vam
p type)
Window
(Wave zoom
mode)
Freq
Vamp
Main
Extension
Display the Freq and Vamp measurement
cursor and menu.
The horizontal cursors are set as the
intersections of the vertical cursors and the
waveform
Makes the vertical cursors active.
Makes the horizontal cursors active.
Measure in the main window.
Measure in the FFT extension window.
a
b
ab
Turn the M knob to move line a.
Turn the M knob to move line b.
Line
Two cursors are linked. Turn the M knob to
move the pair of cursors.
Display the channel to which the cursor
Source
Math FFT
measurement will be applied.
Perform the following operation steps for the amplitude and frequency cursor
measurement of math FFT:
1. Press the Math button to display the right menu. Select Type as FFT.
2. Push Cursor to display the cursor menu.
3. In the right menu, select Window as Extension.
4. Press the first menu item in the right menu, select Freq&Vamp for Type, two
blue dotted lines displayed along the horizontal direction of the screen, two
blue dotted lines displayed along the vertical direction of the screen. Cursor
measure window at the left bottom of the screen shows the cursor readout.
5. In the right menu, select Line Type as Freq to make the vertical cursors active.
If the Line in the right menu is select as a, turn the M knob to move line a to the
right or left. If b is selected, turn the M knob to move line b.
6. In the right menu, select Line Type as Vamp to make the horizontal cursors
active. Select Line in the right menu as a or b, turn the M knob to move it.
7. In the right cursor menu, you can select Window as Main to make the cursors
shown in the main window.
How to Use Executive Buttons
Executive Buttons include Autoset, Run/Stop, Copy.

[Autoset] button
It's a very useful and quick way to apply a set of pre-set functions to the incoming
signal, and display the best possible viewing waveform of the signal and also
works out some measurements for user as well.
The details of functions applied to the signal using Autoset are shown as follows:
48
Function Items
Setting
Vertical Coupling
Channel Coupling
Vertical Scale
Horizontal Level
Horizontal Sale
Trigger Type
Trigger Source
Trigger Coupling
Trigger Slope
Trigger Level
Trigger Mode
Display Format
Force
Inverted
Zoom Mode
Current
Current
Adjust to the proper division.
Middle or ±2 div
Adjust to the proper division
Slope or Video
CH1 or CH2
DC
Current
3/5 of the waveform
Auto
YT
Stop
Off
Exit
Judge waveform type by Autoset
Five kinds of types: Sine, Square, video signal, DC level, Unknown
signal.
Menu as follow:
Waveform
Sine
Square
Menu
Video signal
Type (line, field), Odd, Even, Line NO., Cancel
Multi-period, Single-period, FFT, Cancel Autoset
Multi-period, Single-period, Rising Edge, Falling Edge,
Cancel Autoset
Autoset
DC
signal
level/Unknown Cancel Autoset
Description for some icons:
Multi-period：
To display multiple periods
Single-period： To display single period
FFT：
Switch to FFT mode
Rising Edge： Display the rising edge of square waveform
Falling Edge： Display the falling edge of square waveform
Cancel Autoset ： Go back to display the upper menu and waveform
information
Note: The Autoset function requires that the frequency of signal should be no
lower than 20Hz, and the amplitude should be no less than 5mv. Otherwise,
the Autoset function may be invalid.

[Run/Stop] button
49
Enable or disable sampling on input signals.
Notice: When there is no sampling at STOP state, the vertical division and the
horizontal time base of the waveform still can be adjusted within a certain
range, in other words, the signal can be expanded in the horizontal or vertical
direction.
When the horizontal time base is ≤50ms, the horizontal time base can be
expanded for 4 divisions downwards.

[Copy] button
This button is the shortcut for Save function in the Utility function menu.
Pressing this button is equal to the Save option in the Save menu. The
waveform, configure or the display screen could be saved according to the
chosen type in the Save menu. For more details, please see "
How to Save and Recall a Waveform" on P30.
50
5. Communication with PC
The oscilloscope supports communications with a PC through USB. You can use
the Oscilloscope communication software to store, analyze, display the data and
remote control.
To learn about how to operate the software, you can push F1 in the software to
open the help document.
Here is how to connect with PC via USB port.
(1) Install the software: Install the Oscilloscope communication software on the
supplied CD.
(2) Connection: Use a USB data cable to connect the USB Device port in the
right panel of the Oscilloscope to the USB port of a PC.
(3) Install the driver: Run the Oscilloscope communication software on PC, push
F1 to open the help document. Follow the steps of title "I. Device connection"
in the document to install the driver.
(4) Port setting of the software: Run the Oscilloscope software; click
"Communications" in the menu bar, choose "Ports-Settings", in the setting
dialog, choose "Connect using" as "USB". After connect successfully, the
connection information in the bottom right corner of the software will turn
green.
51
6. Demonstration
Example 1: Measurement a Simple Signal
The purpose of this example is to display an unknown signal in the circuit, and
measure the frequency and peak-to-peak voltage of the signal.
1.
Carry out the following operation steps for the rapid display of this
signal:
(1) Set the probe menu attenuation coefficient as 10X and that of the switch in
the probe switch as 10X (see "How to Set the Probe Attenuation
Coefficient" on P11).
(2) Connect the probe of Channel 1 to the measured point of the circuit.
(3) Push the Autoset button.
The oscilloscope will implement the Autoset to make the waveform optimized,
based on which, you can further regulate the vertical and horizontal divisions
till the waveform meets your requirement.
2.
Perform Automatic Measurement
The oscilloscope can measure most of the displayed signals automatically. To
measure the period, the frequency of the CH1, following the steps below:
(1) Push the Measure button to show the right menu.
(2) Select AddCH1 in the right menu.
(3) In the left Type menu, turn the M knob to select Period.
(4) In the right menu, select AddCH1. The period type is added.
(5) In the left Type menu, turn the M knob to select Frequency.
(6) In the right menu, select AddCH1. The frequency type is added.
The measured value will be displayed at the bottom left of the screen
automatically (see Figure 6-1).
52
Figure 6-1 Measure period and frequency value for a given signal
Example 2: Gain of a Amplifier in a Metering Circuit
The purpose of this example is to work out the Gain of an Amplifier in a
Metering Circuit. First we use Oscilloscope to measure the amplitude of input
signal and output signal from the circuit, then to work out the Gain by using
given formulas.
Set the probe menu attenuation coefficient as 10X and that of the switch in the
probe as 10X (see "How to Set the Probe Attenuation Coefficient" on P11).
Connect the oscilloscope CH1 channel with the circuit signal input end and the
CH2 channel to the output end.
Operation Steps:
(1) Push the Autoset button and the oscilloscope will automatically adjust the
waveforms of the two channels into the proper display state.
(2) Push the Measure button to show the right menu.
(3) Select AddCH1 in the right menu.
(4) In the left Type menu, turn the M knob to select PK-PK.
(5) In the right menu, select AddCH1. The peak-to-peak type of CH1 is added.
(6) In the right menu, select AddCH2. The peak-to-peak type of CH2 is added.
(7) Read the peak-to-peak voltages of Channel 1 and Channel 2 from the
bottom left of the screen (see Figure 6-2).
(8) Calculate the amplifier gain with the following formulas.
Gain = Output Signal / Input signal
Gain (db) = 20×log (gain)
53
Figure 6-2 Waveform of Gain Measurement
Example 3: Capturing a Single Signal
It's quite easy to use Digital Oscilloscope to capture non-periodic signal, such
as a pulse and burr etc. But the common problem is how to set up a trigger if
you have no knowledge of the signal? For example, if the pulse is the logic
signal of a TTL level, the trigger level should be set to 2 volts and the trigger
edge be set as the rising edge trigger. With various functions supported by our
Oscilloscope, user can solve this problem by taking an easy approach. First to
run your test using auto trigger to find out the closest trigger level and trigger
type, this helps user to make few small adjustments to achieve a proper trigger
level and mode. Here is how we achieve this.
The operation steps are as follows:
(1) Set the probe menu attenuation coefficient to 10X and that of the switch in
the probe to 10X (see "How to Set the Probe Attenuation Coefficient" on
P11).
(2) Adjust the Vertical Scale and Horizontal Scale knobs to set up a proper
vertical and horizontal ranges for the signal to be observed.
(3) Push the Acquire button to display the right menu.
(4) In the right menu, select Acqu Mode as Peak Detect.
(5) Push the Trigger Menu button to display the right menu.
(6) In the right menu, select Type as Single.
(7) In the right menu, select Single as Edge.
(8) In the right menu, select Source as CH1.
(9) In the right menu, press Next Page, select Coupling as DC.
54
(10) In the right menu, select Slope as
(rising).
(11) Turn the Trigger Level knob and adjust the trigger level to the roughly
50% of the signal to be measured.
(12) Check the Trigger State Indicator on the top of the screen, if it is not Ready,
push down the Run/Stop button and start acquiring, wait for trigger to
happen. If a signal reaches to the set trigger level, one sampling will be
made and then displayed in the screen. By using this approach, a random
pulse can be captured easily. For instance, if we want to find a burst burr of
high amplitude, set the trigger level to a slightly higher value of the average
signal level, push the Run/Stop button and wait a trigger. Once there is a
burr occurring, the instrument will trigger automatically and record the
waveform during the period around the trigger time. By turning the
Horizontal Position knob in the horizontal control area in the panel, you
can change the horizontal triggering position to obtain the negative delay,
making an easy observation of the waveform before the burr occurs (see
Figure 6-3).
Figure 6-3 Capturing a Single Signal
Example 4: Analyze the Details of a Signal
Noise is very common inside most of the electronic signal. To find out what's
inside the noise and reduce the level of noise is very important function our
oscilloscope is capable to offer.
Noise Analysis
The level of noise sometime indicates a failure of electronic circuit. The Peak
Detect functions acts an important role to help you to find out the details of
these noise. Here is how we do it:
(1) Push the Acquire button to display the right menu.
55
(2) In the right menu, select Acqu Mode as Peak Detect.
The signal displayed on the screen containing some noise, by turning on Peak
Detect function and changing time base to slow down the incoming signal, any
peaks or burr would be detected by the function (see Figure 6-4).
Figure 6-4 Signal with Noises
Separate Noises from the Signal
When focusing on signal itself, the important thing is to reduce the noise level
as lower as possible, this would enable user to have more details about the
signal. The Average function offered by our Oscilloscope can help you to
achieve this.
Here are the steps for how to enable Average function.
(1) Push the Acquire button to display the right menu.
(2) In the right menu, select Acqu Mode as Average.
(3) Turn the M knob and observe the waveform obtained from averaging the
waveforms of different average number.
User would see a much reduced random noise level and make it easy to see
more details of the signal itself. After applying Average, user can easily identify
the burrs on the rising and falling edges of some part of the signal (see Figure
6-5).
56
Figure 6-5 Reduce Noise level by using Average function
Example 5: Application of X-Y Function
Examine the Phase Difference between Signals of two Channels
Example: Test the phase change of the signal after it passes through a circuit
network.
X-Y mode is a very useful when examining the Phase shift of two related
signals. This example takes you step by step to check out the phase change of
the signal after it passes a specified circuit. Input signal to the circuit and
output signal from circuit are used as source signals.
For the examination of the input and output of the circuit in the form of X-Y
coordinate graph, please operate according to the following steps:
(1) Set the probe menu attenuation coefficient for 10X and that of the switch in
the probe for 10X (see "How to Set the Probe Attenuation Coefficient" on
P11).
(2) Connect the probe of channel 1 to the input of the network and that of
Channel 2 to the output of the network.
(3) Push the Autoset button, with the oscilloscope turning on the signals of
the two channels and displaying them in the screen.
(4) Turn the Vertical Scale knob, making the amplitudes of two signals equal
in the rough.
(5) Push the Acquire button to display the right menu.
(6) In the right menu, select XY Mode as ON. The oscilloscope will display the
input and terminal characteristics of the network in the Lissajous graph
form.
57
(7) Turn the Vertical Scale and Vertical Position knobs, optimizing the
waveform.
(8) With the elliptical oscillogram method adopted, observe and calculate the
phase difference (see Figure 6-6).
The signal must be
centered and kept in the
horizontal direction.
Figure 6-6 Lissajous Graph
Based on the expression sin (q) =A/B or C/D, thereinto, q is the phase
difference angle, and the definitions of A, B, C, and D are shown as the graph
above. As a result, the phase difference angle can be obtained, namely, q =±
arcsin (A/B) or ± arcsin (C/D). If the principal axis of the ellipse is in the I and
III quadrants, the determined phase difference angel should be in the I and IV
quadrants, that is, in the range of (0 - π /2) or (3π / 2 - 2π). If the principal axis
of the ellipse is in the II and IV quadrants, the determined phase difference
angle is in the II and III quadrants, that is, within the range of (π / 2 - π) or (π 3π /2).
Example 6: Video Signal Trigger
Observe the video circuit of a television, apply the video trigger and obtain the
stable video output signal display.
Video Field Trigger
For the trigger in the video field, carry out operations according to the following
steps:
58
(1) Push the Trigger Menu button to display the right menu.
(2) In the right menu, select Type as Single.
(3) In the right menu, select Single as Video.
(4) In the right menu, select Source as CH1.
(5) In the right menu, select Modu as NTSC.
(6) In the right menu, press Next Page, select Sync as Field.
(7) Turn the Vertical Scale, Vertical Position and Horizontal Scale knobs to
obtain a proper waveform display (see Figure 6-7).
Figure 6-7 Waveform Captured from Video Field Trigger
59
7. Troubleshooting
1. Oscilloscope is powered on but no Display.



Check whether the power connection is connected properly.
Restart the instrument after completing the checks above.
If the problem persists, please contact us and we will be under your
service.
2. After acquiring the signal, the waveform of the signal is not displayed in
the screen.
 Check whether the probe is properly connected to the signal connecting
wire.
 Check whether the signal connecting wire is correctly connected to the
BNC (namely, the channel connector).
 Check whether the probe is properly connected with the object to be
measured.
 Check whether there is any signal generated from the object to be
measured (the trouble can be shot by the connection of the channel from
which there is a signal generated with the channel in fault).
 Make the signal acquisition operation again.
3. The measured voltage amplitude value is 10 times or 1/10 of the actual
value.
Look at the attenuation coefficient for the input channel and the attenuation
ration of the probe, to make sure they are match (see "How to Set the Probe
Attenuation Coefficient" on P11).
4. There is a waveform displayed, but it is not stable.
 Check whether the Source item in the TRIG MODE menu is in conformity
with the signal channel used in the practical application.
 Check on the trigger Type item: The common signal chooses the Edge
trigger mode for Type and the video signal the Video. If Alternate trigger is
selected, both of the channel 1 and channel 2 trigger levels should be
adjusted to the proper position. Only if a proper trigger mode is applied,
the waveform can be displayed steadily.
5. No Display Responses to the Push-down of Run/Stop.
Check whether Normal or Signal is chosen for Polarity in the TRIG MODE
menu and the trigger level exceeds the waveform range.
If it is, make the trigger level is centered in the screen or set the trigger mode as
Auto. In addition, with the Autoset button pressed, the setting above can be
completed automatically.
6. The displaying of waveform seems getting slow after increasing
AVERAGE value in Acqu Mode (see "How to Set the Sampling/Display" on
P27 ), or a longer duration is set in the Persist in Display (see "Persist" on
P28).
It's normal as the Oscilloscope is working hard on many more data points.
60
8. Technical Specifications
Unless otherwise specified, the technical specifications applied are for the
oscilloscope only, and Probes attenuation set as 10X. Only if the oscilloscope
fulfills the following two conditions at first, these specification standards can be
reached.

This instrument should run for at least 30 minutes continuously under the
specified operating temperature.

If change of the operating temperature is up to or exceeds 5℃, do a
"Self-calibration" procedure (see "How to Implement Self-calibration" on
P12).
All specification standards can be fulfilled, except one(s) marked with the word
"Typical".
Performance Characteristics
Bandwidth
Channel
Mode
Acquisition
Input
Sample rate
(real time)
Input coupling
Input impedance
Probe attenuation
factor
Max. input voltage
Channel –channel
isolation
Bandwidth limit
Horizontal
System
Sampling rate range
Instruction
5 MHz
10 MHz
20 MHz
50 MHz
100 MHz
1400
1401
1402
1403
1404
2 channels
Normal, Peak detect, Averaging
1400
100 MS/s
1401
1402
250 MS/s
1403
500 MS/s
1404
1 GS/s
DC, AC , Ground
1 MΩ±2%, in parallel with 20 pF±5 pF
1X，10X，100X，1000X
400V (DC+AC, PK - PK)
50Hz: 100 : 1
10MHz: 40 : 1
1400
1401
Not support
1402
1403
20 MHz, full bandwidth
1404
1400
0.5 S/s～100 MS/s
1401
1402
0.5 S/s～250 MS/s
1403
0.5 S/s～500 MS/s
1404
0.5 S/s～1 GS/s
61
Performance Characteristics
Interpolation
Vertical
system
Instruction
(Sinx)/x
Max Record length
10K
Scanning speed
(S/div)
1400
1401
1402
1403
1404
5 ns/div – 1000 s/div,
step by 1 – 2 - 5
2 ns/div – 1000 s/div,
step by 1 – 2 - 5
Sampling rate / relay
±100 ppm
time accuracy
Single：
±(1 interval time+100 ppm×reading+0.6
Interval(△T) accuracy ns);
(DC - 100MHz)
Average>16：
±(1 interval time +100 ppm×reading+0.4
ns)
Vertical Resolution
8 bits (2 channels simultaneously)
(A/D)
Sensitivity
5 mV/div～5 V/div
1400
1401
±2 V (5 mV/div – 200 mV/div)
Displacement
1402
±200 V (500 mV/div – 5
1403
V/div)
1404
1400
5 MHz
1401
10 MHz
Analog bandwidth
1402
20 MHz
1403
50 MHz
1404
100 MHz
Single bandwidth
Full bandwidth
Low Frequency
≥10 Hz (at input, AC coupling, -3 dB)
1400
≤ 70 ns
1401
≤ 35 ns
Rise time (at input,
1402
≤ 17.5 ns
Typical)
1403
≤ 7.0 ns
1404
≤ 3.5 ns
DC gain accuracy
±3%
Delta Volts between any two averages of
≥16 waveforms acquired with the same
DC accuracy
scope setup and ambient conditions
(average)
(△V):
±(3% reading + 0.05 div)
Waveform inverted ON/OFF
62
Performance Characteristics
Cursor
Automatic
Measurement
Instruction
△V, △T, △T&△V between cursors,
auto cursor
Period, Frequency, Mean, PK-PK, RMS,
Max, Min, Top, Base, Amplitude,
Overshoot, Preshoot, Rise Time, Fall
Time, +Pulse Width, -Pulse Width, +Duty
Cycle, -Duty Cycle, Delay A→B , Delay
A→B
, Cycle RMS, Cursor RMS,
Screen Duty, Phase, +Pulse Count,
-Pulse Count, Rise Edge Count, Fall
Edge Count, Area, and Cycle Area.
Waveform Math
＋, －, *, / ,FFT
Waveform storage
16 waveforms
Bandwidth Full bandwidth
Lissajous
Phase
figure
±3 degrees
difference
Communicatio
USB 2.0 (USB storage）
n port
Support
Counter
Trigger:
Performance
Characteristics
Trigger level
Internal
range
Instruction
1400
1401
1402
1403
1404
±4 div from the screen center
±5 div from the screen center
Trigger level
Accuracy
Internal
±0.3 div
(typical)
Trigger
displacement
Trigger Holdoff
range
50% level setting
(typical)
Edge trigger
According to Record length and time base
100 ns – 10 s
Input signal frequency ≥ 50 Hz
slope
Rising, Falling
63
Performance
Characteristics
Instruction
Modulation
Video Trigger
Line number
range
Support standard NTSC, PAL and
SECAM broadcast systems
1-525 (NTSC) and 1-625
(PAL/SECAM)
General Technical Specifications
Display
Display Type
Display Resolution
Display Colors
7" Colored LCD (Liquid Crystal Display)
800 (Horizontal) × 480 (Vertical) Pixels
65536 colors, TFT screen
Output of the Probe Compensator
Output Voltage
(Typical)
Frequency (Typical)
About 5 V, with the Peak-to-Peak voltage ≥1 MΩ.
Square wave of 1 KHz
Power
Mains Voltage
Power Consumption
Fuse
100 - 240 VACRMS, 50/60 Hz, CAT Ⅱ
< 15 W
2 A, T class, 250 V
Environment
Temperature
Relative Humidity
Height
Cooling Method
Working temperature: 0 ℃ - 40 ℃
Storage temperature: -20 ℃ - 60 ℃
≤ 90%
Operating: 3,000 m
Non-operating: 15,000 m
Natural cooling
Mechanical Specifications
Dimension
301 mm× 152 mm×70 mm (L*H*W)
Weight
About 1.1 kg
Interval Period of Adjustment:
One year is recommended for the calibration interval period.
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9. Appendix
Appendix A: Enclosure
(The accessories subject to final delivery.)
Standard Accessories:
Power Cord
CD Rom
USB Cable
Probe
Probe Adjust
Appendix B: General Care and Cleaning
General Care
Do not store or leave the instrument where the liquid crystal display will be
exposed to direct sunlight for long periods of time.
Caution: To avoid any damage to the instrument or probe, do not exposed it to
any sprays, liquids, or solvents.
Cleaning
Inspect the instrument and probes as often as operating conditions require.
To clean the instrument exterior, perform the following steps:
1. Wipe the dust from the instrument and probe surface with a soft cloth. Do
not make any scuffing on the transparent LCD protection screen when
clean the LCD screen.
2. Disconnect power before cleaning your Oscilloscope. Clean the instrument
with a wet soft cloth not dripping water. It is recommended to scrub with
soft detergent or fresh water. To avoid damage to the instrument or probe,
do not use any corrosive chemical cleaning agent.
Warning: Before power on again for operation, it is required to confirm
that the instrument has already been dried completely,
avoiding any electrical short circuit or bodily injury resulting
form the moisture.
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All rights, also for translation, reprinting and copy of this manual or parts are reserved.
Reproduction of all kinds (photocopy, microfilm or other) only by written permission of the publisher.
This manual considers the latest technical knowing. Technical changings which are in the interest
of progress reserved.
Misprints and errors are reserved.
We herewith confirm, that the units are calibrated by the factory according to the specifications as
per the technical specifications.
We recommend to calibrate the unit again, after one year.
© PeakTech® 12/2023 Ehr/HR/Ehr
PeakTech Prüf- und Messtechnik GmbH
– Gerstenstieg 4 - DE-22926 Ahrensburg / Germany
+49 (0) 4102 97398-80 +49 (0) 4102 97398-99
 [email protected]  www.peaktech.de
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