CTX PV520A User`s manual

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PV520A User’s Manual

U s e r ’ s M a n u a l

P V 5 2 0 A


PV520A User’s Manual

Table of Contents


Important Safety Instructions






Recommended Use of the Monitor



Controls and Adjustments



Energy Declaration



Trouble Shooting



Technical Information



Product Overview






PV520A User’s Manual

Important Safety Instructions

FCC Statement

T his equipment has been tested to comply with the limits for a class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.


If a shielded-type power cord is supplied with this monitor, it is required in order to meet FCC emission limits and to prevent interference with nearby radio and television reception. Only shielded cables should be used to connect I/O devices to this equipment. You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

CE Statement

T his device complies with the requirements of EMC (Electromagnetic

Compatibility), and with Low Voltage directive.


PV520A User’s Manual


T CO99 compliant monitors must be compliant with TCO99 which is more stringent than MPRII. The purchase of TCO99 compliant monitors contributes to reducing the burden on the environment and also to the further development of environmentally adapted electronics products.

Why do we have environmentally labelled computers?

In many countries, environmental labelling has become an established method-for encouraging the adaptation of goods and services to the environment. The main problem, as far as computers and other electronics equipment are concerned, is that environmentally harmful substances are used both in the products and during their manufacture. Since it is not so far possible to satisfactorily recycle the majority of electronics equipment, most of these potentially damaging substances sooner or later enter nature.

There are also other characteristics of a computer, such as energy consumption levels, that are important from the viewpoints of both the work

(internal) and natural (external) environments. Since all methods of electricity generation have a negative effect on the environment (e.g. acidic and climate-influencing emissions, radioactive waste), it is vital to save energy.

Electronics equipment in offices is often left running continuously and thereby consumes a lot of energy.

What does labelling involve?

This product meets the requirements for the TCO'99 scheme which provides for international and environmental labelling of personal computers. The labelling scheme was developed as a joint effort by the TCO (The Swedish

Confederation of Professional Employees), Svenska Naturskyddsforeningen

(The Swedish Society for Nature Conservation) and Statens Energimyndighet

(The Swedish National Energy Administration).

Approval requirements cover a wide range of issues: environment, ergonomics, usability, emission of electric and magnetic fields, energy consumption and electrical and fire safety.

The environmental demands impose restrictions on the presence and use of heavy metals, brominated and chlorinated flame retardants, CFCs (freons) and chlorinated solvents, among other things. The product must be prepared for recycling and the manufacturer is obliged to have an environmental policy which must be adhered to in each country where the company implements its operational policy.


PV520A User’s Manual

The energy requirements include a demand that the computer and/or display, after a certain period of inactivity, shall reduce its power consumption to a lower level in one or more stages. The length of time to reactivate the computer shall be reasonable for the user.

Labelled products must meet strict environmental demands, for example, in respect of the reduction of electric and magnetic fields, physical and visual ergonomics and good usability. Below you will find a brief summary of the environmental requirements met by this product. The complete environmental criteria document may be ordered from:

TCO Development

SE-114 94 Stockholm, Sweden

Fax: +46 8 782 92 07

Email (Internet): [email protected]

Current information regarding TCO'99 approved and labelled products may also be obtained via the Internet, using the address: http://www.tco-info.com/

Environmental requirements

Flame retardants

Flame retardants are present in printed circuit boards, cables, wires, casings and housings. There purpose is to prevent, or at least to delay the spread of fire. Up to 30% of the plastic in a computer casing can consist of flame retardant substances. Most flame retardants contain bromine or chloride, and those flame retardants are chemically related to another group of environmental toxins, PCBs. Both the flame retardants containing bromine or chloride and the PCBs are suspected of giving rise to severe health effects, including reproductive damage in fish-eating birds and mammals, due to the bio-accumulative* processes. Flame retardants have been found in human blood and researchers fear that disturbances in foetus development may occur.

The relevant TCO'99 demand requires that plastic components weighing more than 25 grams must not contain flame retardants with organically bound bromine or chlorine. Flame retardants are allowed in the printed circuit boards since no substitutes are available.


PV520A User’s Manual


Cadmium is present in rechargeable batteries and in the colour-generating layers of certain computer displays. Cadmium damages the nervous system and is toxic in high doses. The relevant TCO'99 requirement states that batteries, the colour-generating layers of display screens and the electrical or electronics components must not contain any cadmium.


Mercury is sometimes found in batteries, relays and switches. It damages the nervous system and is toxic in high doses. The relevant TCO'99 requirement states that batteries may not contain any mercury. It also demands that mercury is not present in any of the electrical or electronics components associated with the labelled unit.

CFCs (freons)

The relevant TCO'99 requirement states that neither CFCs nor HCFCs may be used during the manufacture and assembly of the product. CFCs (freons) are sometimes used for washing printed circuit boards. CFCs break down ozone and thereby damage the ozone layer in the stratosphere, causing increased reception on earth of ultraviolet light with e.g. increased risks of skin cancer (malignant melanoma) as a consequence.


Lead can be found in picture tubes, display screens, solders and capacitors.

Lead damages the nervous system and in higher doses, causes lead poisoning. The relevant TCO'99 requirement permits the inclusion of lead since no replacement has yet been developed.

*Bio-accumulative is defined as substances which accumulate within living organisms.

** Lead, Cadmium and Mercury are heavy metals which are Bio-accumulative.

Safety Precautions

P lease read the following instructions carefully. This manual should be retained for future reference.

1. To clean the LCD Monitor screen make sure the Monitor is in the power off mode. Unplug the Monitor from its power source before cleaning it. Stand away from the LCD Monitor and spray cleaning solution onto a rag. Without applying excessive pressure clean the screen with the slightly dampened rag.


PV520A User’s Manual

2. Do not place your LCD Monitor near a window. Exposing the Monitor to rain, water, moisture or sunlight can severely damage it.

3. Do not place anything on top of the Monitor/PC signal cord. Make sure the cord is placed in an area where it will not be stepped on.

4. Do not apply pressure to the LCD screen. Excessive pressure may cause permanent damage to the display.

5. Do not remove the cover or attempt to service this unit by yourself. You may void the warranty. Servicing of any nature should only be performed by an authorised technician.

6. Safe storage of the LCD Monitor is in a range of minus 20 to plus 65 degrees Celsius. Storing your LCD Monitor outside this range could result in permanent damage.

7. If any of the following occurs immediately unplug your Monitor and call an authorized technician.

• The power or Monitor-to-PC signal cord is frayed or damaged.

• Liquid has been spilled into the Monitor, or it has been exposed to rain.

• The Monitor has been dropped or the case has been damaged.

8. For use only with power supply:

• Li Shin(LSE) LSE9901B1250

• Portrans UP06031120A

• Lien Chang BSA-35-115

Notice : Actual safety specifications please refer to the label on the back of monitor.


PV520A User’s Manual


Product Description

C ongratulations on purchasing this new generation monitor. Your LCD monitor incorporates high quality display into a small lightweight module. It has power- saving capabilities and emits no X-ray radiation.

T he features are:

• 15" TFT Liquid Crystal Display

• Compatible with IBM VGA, VESA

• Direct RGB input

• XGA 1024x768 resolution, up to 16.7M colors

• Lightweight compact design, weighing less than 6.5Kg

• DPMS (power saving)

• Universal adapter power supply

• Anti-glare display

• On-Screen Display (OSD) controls and adjustments


PV520A User’s Manual

Package Overview

Y our monitor package contains:

LCD Monitor

User's Guide / Driver CD

Power Cord

Power Adapter

D-Sub 15 VGA Signal Cable

3.5 mm Audio Cable

Speaker Box

CAUTION : Keep the shipping carton in case the need arises to store or transport the unit. Let the LCD lie on its face when you put it into the carton.


Installation & Remove

1-1. Installing the Portrait

PV520A User’s Manual

1-2. Remove the Portrait


2-1. Installing the Wall Mount dapter*

PV520A User’s Manual

2-2. Remove the Wall Mount Adapter*

* The Wall Mount Adapter is a optional item.


3-1 Speaker Box Install

PV520A User’s Manual

Cabling for Your Display

1. Turn off the power of your computer and other devices.

2. Connect (1) the video signal cable of the monitor to the 15-pin connector of the video port in your computer.

3. With the monitor switched off, attach (2) the power cord to the monitor and then to a grounded power outlet.


PV520A User’s Manual

4. Connect your audio cable one end to the external speaker, through the connector of audio input on the rear part; the other end to audio device

(such like connector of the sound card in the PC).

5. Connect to the earphone plug-in if you need this device.

6. Turn on the monitor and computer.

7. If necessary, adjust the front panel controls according to your personal preference.


PV520A User’s Manual

Recommended Use of the Monitor


Use the type of power indicated on the marking label.


Do not remove any of the prongs of the monitor's three-pronged power plug.

Disconnect the power plug from the AC outlet if you are not going to use it for an indefinite period of time.

Power cords

Use the proper power cord with correct attachment plug type. If the power source is 120 V AC, use a power cord that has UL and CSA approvals. If the power source is a 240 V AC supply, use the tandem (T blade) type attachment plug with ground conductor power cord that meets the respective European country's safety regulations, such as VDE for Germany.

We recommend using the power cord supplied with the product. However, if another type of power cord is required power cord H05VV-F or VW-1, 18AWG x 3G should be used.

Do not overload wall outlets or power cords. Ensure that the total of all units plugged into the wall outlet does not exceed 7 amperes.

Ensure that the total ampere ratings on all units plugged into the extension cord is not above the cord's rating.

If the power supply cord which came with your monitor is to be connected to the PC instead of the wall outlet, this equipment should be used with UL/TUV approved computers with receptacle rated 100~240V AC, 50/60Hz, 1.0A



PV520A User’s Manual

Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the cord.


Place the monitor on a flat level surface.

Place the monitor in a well-ventilated place.

Keep the monitor away from: rain or water overly hot, cold or humid places sunlight dusty surroundings equipment that generates strong magnetic fields.


PV520A User’s Manual

Controls and Adjustments

O nce you have installed this monitor with your system, please read the instructions in this section, they give you some guidelines on how to use the monitor more efficiently. And lead you through the various functions of the user controls and explain how to adjust the monitor to your personal preference.

Front User Controls


PV520A User’s Manual

(1) Enter " " button

To display the OSD manual and select functions.

(2) Down " " button

To adjust the selected OSD function or the brightness directly.

(3) Up " " button

To adjust the selected OSD function or the contrast directly.

(4) "ESC" button

To close the OSD manual and to escape function.

(5) Power LED Indicator

As long as the monitor is powered, this indicator is lit. In normal operation, it lights green. While in power saving mode, the indicator will turn to amber.

(6) Power Switch

To turn the monitor On or Off.

(7) Volume Button (Bottom View)

Twist the button of volume to adjust the spearker's volume.

(8) Stereo Earphone Plug-in (Bottom View)

(9) Audio Connector (Back View)


PV520A User’s Manual

On Screen Display (OSD) Main menu

1. Press " " to open the OSD main menu.

2. Use the " " and " " arrows to move through the displayed functions.

3. Press " " to confirm your selected function.


Press the " " button to enter the brightness, and press the " " or " " button to increase or decrease the brightness level, then press " ESC" button to exit.


Press the " " button to enter the contrast, and press the " " or " " button to increase or decrease the contract level, then press " ESC" button to exit.

1. Auto-Tune


PV520A User’s Manual

Press " " button, the system will automatically adjust the clock, phase,

H-position and V-position values for optimal settings.


• As some VGA Card doesn't match the VESA standard. It can't out-put 0.7 V p-p VESA standard. Therefore, we need "ADVANCE AUTO TUNE PATTERN PROGRAM" to modify the parameters of monitor to match different output level of VGA card.

• Win_pat.exe (This file includes in the folder "driver" of CD Title "Interactive User's

Manual") is used for Windows95 or 98 currently display mode adjustment. It will adjust the VGA input level and video quality to optimize.

• Dos_pat.exe (This file includes in the folder "driver" of CD Title "Interactive User's

Manual") is used for 720x400 70Hz & 640x 350 70Hz under DOS mode adjustment. It will adjust the VGA input level and video quality to optimize.

• For the adjustment, please execute the program, then processing the "Auto Tune" function in the OSD menu.

2. Color

You can choose either the 6500°K, 9300°K colour temperature mode or User mode to store your user defined color settings.

User Mode


PV520A User’s Manual

• Press " " button to enter User mode.

• Press the " " or " " button to select the R/G/B gain, then press " " button to proceed.

• Finally, press "ESC" button to leave this function.

3. Quality

Here are some items can be adjusted as below, please press " " enter the item menu.


Press the " " or " " button to adjust the width of the screen to a maximum.


Press the " " or " " button to reduce the noise on the screen.


Press the " " or " " button to adjust the focus of the screen with the resolution is lower than 1024x768.


Press the " " or " " button to enable true color.


PV520A User’s Manual

Text/Gfx (Graphics):

Press the " " or " " button to select VGA Text mode 720x400 &

720x350 or VGA Graphics mode 640x400 & 640x350 to get better picture performance.

4. Position

To adjust the Image or OSD position.


PV520A User’s Manual

Image Position or OSD Position

H - Position: Press the " " or " " button to reposition of the picture or the OSD window to the right or left.

V - Position: Press the" " button to moves the picture or the OSD window upwards and " " to move them downwards.

Center: The Image or OSD window will be adjusted automatically on center of the screen.

5. Language

Press the " " or " " button to select between English, French, Italian, Spanish or German languages.

6. Recall

Press the " " or " " button to select "Yes" or "No".

Choosing Recall to callback all the settings for the current Input Signal mode to factory preset.


PV520A User’s Manual

Energy Declaration

T his monitor is equipped with a function for saving energy, which supports the

VESA Display Power Management Signaling (DPMS) standard. This means that the monitor must be connected to a computer, which also supports the

VESA DPMS standard to fulfill the requirements of the NUTEK specification

803299/94/96. The time settings for switching to a power saving mode are adjusted from the system unit by software. From the first indication of inactivity to power saving position A2 the total time must not be set to more than 70 minutes.

1. VESA Power-Management Proposal

VESA DPMS Standard

H. sync




V. sync












2. Power Consumption (120/230 Vac)) (Without Audio)


VESA state


LED indicator




< 35W Normal operation

Power Saving

Position A1

Power Saving

Position A2

Suspend Amber

Off Amber

< 5W

< 5W


PV520A User’s Manual

Trouble Shooting

I f you are experiencing trouble with the LCD display refer to the following. If the problem persists please contact your local dealer or our service center.

The monitor does not respond after you turn on the system.

Check if the monitor is turned on.

Turn off the power and check the monitor power cord and signal cable are properly connected.

The characters on the screen are dim.

Refer to the Controls and Adjustments section to adjust the brightness (BRIGHTNESS on the OSD sub-menu.) .

The screen is blank.

During use the monitor screen may automatically turn off as a result of the Power Saving feature.

Press any key to see if the screen comes back.

Refer to the Controls and Adjustments section to adjust the brightness (BRIGHTNESS on the OSD sub-menu.) .

The screen flashes when it initializes.

Turn off the monitor and turn it on again.

Refer to the Controls and Adjustments section to reload the default setting (RESET on the OSD main-menu.) .

Partial image or incorrectly displayed image

Image has vertical line bars

Check to see if the resolution of your computer is higher than that of the LCD display.

Reconfigure the resolution of your computer to make it less than or equal to 1024 x 768.

Use "Size" to make an adjustment.

Check and reconfigure the display mode of the vertical refresh rate of your graphic card to make it compatible with the LCD display.


Image has horizontal flickering lines

PV520A User’s Manual

Use "Phase" to make an adjustment.

IF input signals are 720x350 and 640x400, into

OSD Control Text/ Graphics item switch to other mode.

Signal out of Range

When the input signal is outside the normal specifications the screen will display an "Signal out of Range" message.

No Signal Input

The "No Signal Input" message indicates that the cable may not be plugged property into the host system.


Do not disassemble the monitor. Contact your dealer if needed.


PV520A User’s Manual

Technical Information


T his LCD monitor supports multiple operating platforms such as IBM compatible computers. This section provides you with detailed information on pin assignment of the D-Sub connector and the preset timing chart of the prevailing video standards.

Pin Assignments

Male Mini D-15 Connector


Red Video

Green Video

Blue Video

Horizontal Sync

Vertical Sync


No Connection



15 Pin Mini D-Sub






5, 6, 7, 8, 10, 11

4, 9




PV520A User’s Manual

Video Modes

Resolution VCLK(MHz)
































































Product Overview

Pivot Function

PV520A User’s Manual

You can turn the LCD panel right 90 degree for particular viewing.

Front View (unit: mm)


Side View (unit: mm)

PV520A User’s Manual

For viewing clarity, you can tilt the LCD panel forward (up to 5 degrees) or backward (up to 20 degrees)

Rear View (unit: mm)


PV520A User’s Manual


LCD Panel 15" TFT LCD module with wide-viewing angle, 0.3(H)x0.3

(V)mm pixel

[ Monitor ]

Effective display size

Resolution (max.)

Displayable colours


Contrast ratio

Response time

Audio Input

Audio Output

User controls

Power Consumption

[ OSD control options ]

15" (38.1cm diagonal)

XGA 1024x768

16.7M True color

250 Cd/m2 (typical)

350:1 (typical)


1V(RMS), Max.

1W X 2


35W Max. <5W Power Saving (Without Audio)

Main menu


Input signal

Auto-Tune, Brightness, Contrast, Color, Quality, Position,

Language, Recall

Size, Phase, Focus, Dither, Text/Graphics, Image

Position, OSD Position

Analog 0.7V peak to peak separate TTL Positive or


Power Supply

Plug & Play

[ Dimension & Weight ]

100~240 VAC, 50/60 Hz (automatically)

DDC 1/2B


Size (WxDxH)

Weight (net)

[ Operating Environment ]

383 x 172 x 373 mm

5.5 Kgs




[ Storage Environment ]

5°C ~ 35°C

20% ~ 80% (non-condensing)





-20°C ~ 60°C


10% ~ 90% (non-condensing)

Note: Specifications are subject to change without notice

PV520A User’s Manual



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Frequently Answers and Questions

What safety precautions should be taken when cleaning the LCD Monitor screen?
Ensure the monitor is powered off and unplugged. Spray cleaning solution onto a rag and gently wipe the screen without applying excessive pressure.
Where should the LCD Monitor be placed?
Avoid placing the monitor near windows or exposing it to rain, water, moisture, or sunlight, as this may cause damage.
What should be avoided placing on top of the Monitor/PC signal cord?
Avoid placing anything on top of the Monitor/PC signal cord to prevent it from being stepped on or damaged.
What can happen if excessive pressure is applied to the LCD screen?
Excessive pressure on the LCD screen may cause permanent damage to the display.
Who should service the LCD Monitor?
Servicing should only be performed by an authorized technician. Do not attempt to remove the cover or service the unit yourself, as this may void the warranty.
What is the safe storage temperature range for the LCD Monitor?
The safe storage temperature range is between minus 20 and plus 65 degrees Celsius. Storing the monitor outside this range could result in permanent damage.
What should be done if the power cord is frayed or damaged, liquid is spilled into the Monitor, or the Monitor is dropped?
In these cases, immediately unplug the Monitor and call an authorized technician.