Zaxcom TRX942 Transceiver Manual
Reklama
Reklama
Table of Contents
1
C
ONSUMER
A
LERT
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2
1
2
3
4
1.
LCD Display
2.
INC / Record Key
•
Increases the parameters of a menu item.
•
When in the Home Screen pressing and holding it with the
Home Screen Record
enabled will put the TRX into record.
•
When in the Transport Control Screen while not recording will cause the TRX to play back.
•
Press it while playing back to fast forward.
•
Press and hold while in the Transport Control Screen to advance to the next segment.
•
Press it in the Home Screen to display the current segment number.
3.
DEC / Stop Key
• Decreases the parameters of the menu items.
• When in the Home Screen pressing and holding it with the
Home Screen Record
enabled will stop the recording.
• When playing back from the Transport Control Screen will cause the TRX to stop.
• Press and hold while in the Transport Control Screen will jump back to the previous segment.
• Holding it while playing back will take you to the start of that segment.
4.
Menu Key
•
Press it will access the Menu
•
Press it again will take you to additional Menu items
•
Pressing it while powering up will take you into the
Extended Menu
3
5 6 7 8 9
10
11
5.
1/8” Headphone Plug
6.
Power Switch
7.
Media Slot Media Slot
To insert a Micro SD card, with the screen facing you, turn the card so the finger contacts are facing
you and down toward the slot. Insert it into the slot and press it down until you here a slight click.
To remove it, press the card in until you hear the same click again.
8.
Dual color Status LED
•
Green -
Unit is on
.
•
Red -
Unit inexpediently stopped recording.
•
Green / Red flickering -
Unit is recording.
9.
SSMA Antenna Connector
10.
Mix Knob
This knob controls the ratio between the audio coming directly from the microphone and audio coming from the IFB feed. It is enabled if you select IFB MIX ALL in the IFB EAR PIECE MENU. Please note if you chose to mix the microphone with the IFB audio you will hear phasing. This is due to the slight delay of the IFB return audio
.
11.
Volume Knob
4
12 13 14
12.
Mic / Line Switch
This switch changes the input from
Mic
to
Line Level
. Push it away for
Mic Level
down for
Line Level
.
13.
AES-42 Switch
This switch turns On/Off
AES-42
power. Push it away for
On
down for
Off
.
14.
XLR Audio In
5
Zaxcom TRX-942 Manual Home Screen
Main Menu
ZaxNet Transport
Frequency Status Status
567.4
RX
STOP
G
Battery Input Audio Meter Gain
Level Meter Indications
-20, -10, 0 dBFS
Frequency
–
This is the transmit frequency of the TRX-942.
If the transmitter is being used in
RECORD ONLY
mode “
NOTX”
will be displayed.
ZaxNet Status
•
RX
– The transmitter is set to receive ZaxNet timecode and commands.
•
TX
– The transmitter is sending ZaxNet timecode and audio.
Transport Status
-
Displays the mode of the recorder.
•
STOP
– Recording / Playback is stopped
•
LREC
– TRX is recording and LOOP RECORD mode is enabled
•
REC
– TRX is recording and NON-LOOP RECORD mode is enabled
•
WAIT
– May appear just before going into record, or if the card is ejected while recording.
Input Audio Meter
-
Displays the modulation of the inputted audio signal.
In the case of a TRX-942 - if the transmitter is set to stereo mode you would see both the left and right audio levels.
Gain
-
“
G”
Appears when the transmitter is receiving change of gain commands via ZaxNet
.
When in the home screen:
• Press and hold the
INC
key to display the number of record segments are on the card. Note that regardless of the size of the card it is limited to 256 segments.
• Press and hold the
DEC
key to display the current battery voltage
6
Zaxcom TRX-942 Manual Main Menu
Main Menu
Navigating the Main Menu
• Press the MENU Button to enter the menu.
•
To advance to the next menu press the MENU Button again.
Exiting the Main Menu
•
To exit the menu at any time press and hold the MENU button for 1.5 seconds
Audio Gain
GAIN 20dB DGAIN 20dB
Analog Gain Page Digital Gain Page
This menu sets the gain of the incoming audio. If the TRX-942 is set to digital the digital gain menu will appear. The meter indicates the audio signal displayed horizontally from left to right.
UHF Transmit Frequency
TXFREQ 567.4
This menu sets the UHF transmit frequency of the transmitter.
•
Short presses of the
INC
or
DEC
key causes the value to change by 0.1 MHz.
•
Holding the
INC
or
DEC
key causes the value to change by 0.5 MHz.
Transport Control
STOP 01:02:34:01
001
This menu displays the transport status of the transmitter.
The top line displays the current mode:
REC
,
PLAY
or
STOP
followed by the timecode.
The bottom line contains the segment number and the audio level.
Playing back from the transport screen
•
Pressing the
INC
key while stopped will play the segment that is displayed.
• Pressing the
INC
key while in play mode will fast forward.
• Pressing the
DEC
key while playing back will stop the playback.
•
Holding the
DEC
key while playing back will take you to the start of that segment.
•
Pressing the
DEC
key while stopped will rewind.
7
Zaxcom TRX-942 Manual Main Menu
Timecode Frame Rate
TIMECODE 23.98
GEN 01:02:34:01
This menu sets the timecode frame-rate that will be recorded.
The TRX-900 will lock to and record all standard timecode frame rates.
•
23.98, 24, 25, 29.97DF, 29.97DF, 30 DF, 30 NDF
IFB Earpiece Select
IFB EARPIECE
REC/PLAY
This menu sets what audio will be outputted from the headphone out on the TRX-942.
•
REC/PLAY -
Outputs the audio from the SD card - this is the audio that is either currently being recorded or playing back.
•
IFB RX AUDIO -
Outputs the audio that is being received from ZaxNet IFB.
•
IFB MIX ALL -
Outputs a mix of the recording / playback audio and the IFB audio.
•
IFB MIX REMOTE -
This setting is not functional in the TRX-942.
Analog to Digital Converter
ADC: ANALOG
This menu sets where the analog audio signal is converted to a digital signal.
•
ANALOG -
This setting is used when using an analog microphone.
•
AES-42(L)
- This setting is used when using and transmitting the left side of an AES-42 microphone.
•
AES-42(R)-
This setting is used when using and transmitting the right side of an AES-42 microphone.
IMPORTANT:
Any change to this setting
REQUIRES
a reboot before the new setting takes effect.
Phantom Power
PANTOM POWER:
OFF
This menu will turn ON / OFF 48 volts of phantom power supplied to the connected microphone.
This menu will only be active if you are using an analog microphone.
8
Zaxcom TRX-942 Manual Main Menu
Time Left
TIME LEFT 20H
This page displays the remaining time left on the card and the time already recorded on the card.
This page will not be displayed if no card is present.
Lock Page
LOCK 5
Countdown clock starting at 5 seconds
TIME USED 4H
LOCKED
01:02:34:01
After the transmitter locks
This page enables a lock function to prevent any accidental changes.
When you land on this page the countdown clock will begin. After 5 seconds the transmitter will lock and the display will indicated
LOCKED
.
If you exit this screen before the 5 seconds is up the transmitter will not lock.
Even though the key’s will be locked you can press the
INC
or
DEC
key to temporarily display the current battery voltage in place of the battery icon.
To Unlock
•
Simultaneously press the
MENU
and
INC
keys
.
Or
•
Powering down the unit will clear the lock.
9
Zaxcom TRX-942 Manual Extended Menu
Extended Menu
Navigating the Extended Menu
•
Press and hold the
MENU
key while powering up the unit.
• Pressing the
MENU
key will advance you to the next menu item.
Exiting the Extended Menu
•
Cycle the power
Or
•
Hold down the
MENU
key to get back to the EXTENDED MENU home page then press the
INC
key.
High Pass Filter Adjust
HIGH PASS: OFF
This menu turns on and adjusts the frequency of the high pass filter.
• The high pass filter range is
30Hz
to
220Hz
in
10Hz
increments.
Limiter
LIMITER: OFF
LIMITER: -10dB
FROM FULL SCALE
Level when the limiter will act.
This menu enables/disables and adjusts the limiter. The limiter is pre analog to digital converter.
•
Range:
-2dB
to
-30dB
in
1dB
increments
.
1K Notch Filter
1K NOTCH FILTER
OFF
This menu enables/disables the 1K notch filter.
The 1K notch filter is used to eliminate a 1K the test tone being outputted to the headphone out of the
TRX-942
.
10
Zaxcom TRX-942 Manual Extended Menu
UHF Signal Format
TX FORMAT:
US MONO
This menu adjusts the transmission format
•
US MONO -
This format is used for mono transmission. It is used by customers in the US and other countries where a 200 kHz channel is legal.
This setting will be used with
0=US
on the Zaxcom ENG receiver or
NORMAL
on the QRX.
•
STEREO -
This setting is not applicable in the TRX-942.
•
EUROPEAN
-This format is used for European customers and other countries where a normal width channel is NOT legal.
This setting will be used with
1=EU
on the ENG Zaxcom receiver or
NARROW
on the QRX.
•
US MONO-R
-This setting is not applicable in the TRX-942.
IMPORTANT:
Any change to this menu
REQUIRES
a reboot before the new setting takes effect.
IMPORTANT:
If the Transmission Format set here and the Reception Format on the associated receiver do not match, the receiver will be unable to correctly decode the audio from this transmitter.
UHF Transmitter Power Level
TX POWER: 50 MW
This menu adjusts the UHF transmit power of the transmitter.
•
The TRX-942 can be set at 10, 25, 50mW
IFB Receive Mode
RXMODE=RX
This menu will allow the TRX to receive ZaxNet commands.
•
•
OFF
RX
– The transmitter will not receive any ZaxNet commands
- The transmitter will receive ZaxNet commands
NOTE:
If this is set to
OFF
the next 6
ZaxNet menu items will not appear.
NOTE:
If the
IFB RX TO TX
menu setting is set anything other than
Normal
you will not be allowed to set this setting to OFF. See page 9
11
Zaxcom TRX-942 Manual Extended Menu
IFB Voting Enable
This menu will not appear if the IFB settings allow the TRX to go into transmit mode.
IFB VOTING
NORMAL (OFF)
This menu allows you to enable / disable the IFB Voting function.
The purpose of voting is to allow the TRX-942 to choose and switch to the stronger signal from two different ZaxNet transmitters. One purpose of this is if you are on a large set you can place a second IFB transmitter at a different location and the TRX will choose the stronger signal. Just set the second IFB transmitting frequency to exactly 2MHz higher than the first unit.
NOTE:
This Page only will appear if you have the
IFB RX TO TX
mode set to
NORMAL RX
and
RX MODE
is not set to
OFF.
Meaning that if the TRX-942 IFB will ever be in a transmit mode IFB voting no longer applies and will not be available.
IFB Receive to Transmit time
IFB RX TO TX:
NORMAL RX
The TRX will receive ZaxNet only and
NOT
transmit ZaxNet TC and audio.
IFB RX TO TX:
0 SECS: TX ONLY
IFB RX TO TX:
20 SECS
IMPORTANT
: After changing this setting a re-boot is required
The TRX will transmit ZaxNet TC and audio only and will
NOT
receive wireless TC.
Adjustable from 1 up to 20 Seconds.
After boot up the TRX will search for a
ZaxNet signal for XX seconds before it begins to transmit ZaxNet TC and Audio
This menu sets how long after power up that the TRX-942 will search for ZaxNet timecode before it begins transmitting IFB audio for monitoring purposes
.
12
Zaxcom TRX-942 Manual Extended Menu
ZaxNet IFB Receive Frequency
RXFREQ: 2.403
RXFREQ: 2.403
SIGNAL: 28
RX
When the TRX is receiving a ZaxNet signal you will also see:
ZaxNet signal frequency and
RX
shows that it is being received
Signal strength meter l h
• This frequency is the frequency that the transmitter will receive wireless ZaxNet TC and commands as long as this frequency matches the frequency of the corresponding ZaxNet transmitter - which can be a
Nomad or IFB100/200.
• This frequency is the frequency that the transmitter will receive TC from another TRX transmitter or a
ZFR recorder as long as this frequency matches the frequency of the corresponding transmitter.
ZaxNet IFB Transmit Frequency
IFB TX FREQ:
2.420
This is where you set the ZaxNet transmit frequency. This is the frequency that the transmitter will broadcast timecode and ZaxNet audio on for the purpose of confidence audio monitoring via an ERX receiver or Nomad. Note - the expected range will be less than 30 feet.
IFB Receive Pulse
This menu will only appear if IFB is set to go into transmit mode.
IFB RX PULSE:
NEVER
IFB RX PULSE:
600 SECS
Note:
You would need to use this setting if you are monitoring audio via an ERX receiver and you still want the transmitter to update TC
This is where you set how often the transmitter will search for Timecode while operating.
When enabled this tells the TRX-942 to leave ZaxNet transmit mode once every XX seconds to go into receive mode so it can re-jam its timecode wirelessly via ZaxNet. This has no affect on the UHF audio transmission.
•
The settings are
NEVER
or any interval between
10
and
999
seconds.
NOTE:
When the TRX-942 searches for TC it will temporally go out of transmit mode for approximately
1 second as it receives a TC signal.
13
Zaxcom TRX-942 Manual Extended Menu
IFB Dropout Compensator
This menu will only appear if the TRX-742 IFB is set to receive ZaxNet.
IFB DROPOUT
COMPENSATOR ON
This is where you enable /disable the IFB drop out compensator.
The drop out compensator looks at the received audio surrounding a short duration drop out and replaces the lost audio with audio that will match together the audio surrounding the drop out.
Power-Up Mode
POWER UP MODE:
LOCKED
This menu determines if the keys will lock after power-up.
•
LOCKED
– After power-up has completed, the transmitter will automatically go into
Lock Mode
to prevent accidental changes to the settings.
•
UNLOCKED
– The keys are unlocked upon power-up. You can always lock the keys by going in to the
Lock Screen
in the Main Menu.
Unlocking the TRX-942
Simultaneously press the
MENU
and
INC
keys
.
14
Zaxcom TRX-942 Manual Extended Menu
Format Recording Card
PRESS UP KEY 5X
TO ERASE CARD
This menu will allow you to erase and format the micro SD card.
IMPORTANT:
Even though many cards are sold preformatted, you must format the card in the
transmitter prior to recording. Only cards formatted in the unit will work properly.
NOTE
: This menu will only appear if a card was inserted prior to booting up. Also if the SD card
is removed this page will not appear.
To Format a Card:
1.
Before formatting the card, you may want to name the transmitter. Naming the card makes it easier to differentiate files from different recorders - for example you can name the card with the talents name. The name menu is located at the end of the Extended Menu (page 19 of this manual).
2.
With the power ‘OFF’, insert the memory card into the media slot with the label to the back of the unit. Press it all the way in till it “clicks”.
3.
Power up the transmitter while holding the
Menu
Key to enter the Extended Menu.
4.
Advance to this menu.
5.
Press the
INC
key 5 times.
6.
You will see
“FORMATTING FAT 32”
7.
The TRX will displays “
SUCCESS”
or “
FORMAT FAILED ERROR”
8.
If
“SUCCESS”
appears power cycle the TRX and make sure that the unit will record.
NOTE:
If you see a “
FORMAT FAILED ERROR
” try to re-format the card and if it fails again
DO NOT
use that card in the transmitter.
Time Code Jam Mode
TC JAM MODE:
AUTO-JAM NORMAL
If you are using record run timecode this menu controls weather the TRX-942 will go into record when it receives running timecode.
•
AUTO-JAM NORMAL
– The TRX will continuously jam timecode via ZaxNet.
•
AUTO-LOAD REC RUN
– The TRX will continuously jam timecode via ZaxNet and will start and stop the recording if the unit is receiving record run timecode.
In this mode the transmitter will go into record mode when it detects rolling timecode. And the will stop when the timecode stops. If timecode is lost because the IFB signal is too weak the unit will not stop but will continue in whatever state it was in until the timecode signal is restored.
15
Zaxcom TRX-942 Manual Extended Menu
Time Code Source
TC SOURCE:
IFB (RF)
This menu selects how the TRX-942 will receive its timecode.
•
IFB (RF)
– The transmitter will receive timecode via ZaxNet being broadcast from Nomad, an
IFB100/200, another TRX transmitter or a ZFR recorder.
•
AUDIO INPUT
– The transmitter, with a proper cable, will receive timecode via the microphone input.
When timecode is connected, it takes the transmitter approximately three seconds to recognize the TC.
The screen displays
TIME CODE
followed by
JAM
when it is recognized. When the word
JAM
disappears, the timecode input source can be disconnected and normal operation can be resumed.
NOTE:
When using the mic input connector, the audio level of the timecode signal needs to be between -30 and -10 dBFS on the unit’s meter. Any level above -10 may cause clipping, which will prevent proper reading of timecode
.
Group ID
REMOTE CONTROL
GROUP ID = 1
This allows you to set your TRX-942 to a “
GROUP
” to be controlled via ZaxNet.
So for example a transmitter set to Group 1 will control all Group 1 receivers and a Group 2 transmitter will control all Group 2 receivers. This allows you to control a group of receivers without affecting others.
This will also help if two or more people on set are sending ZaxNet commands each person will be independent and won’t interfere with each other. Most users leave this set to 1 on all of their Zaxcom products.
Group codes can be set from
1
to
99
Unit ID
REMOTE CONTROL
UNIT CODE=ALL
This assigns a unique number identify the TRX-942 within a particular group. This allows individual devices in one group to be independently controlled.
You can assign a number from
1
to
200
16
Zaxcom TRX-942 Manual Extended Menu
Dynamics
DYNAMICS
Dynamics OFF
DYNAMICS PARMS
ON
When the Parameters are ON you can adjust the
Dynamic Menu
The Dynamics is a soft knee compressor that is located after the analog to digital converter. The Dynamics will limit the dynamic range to prevent clipping during occurrences of loud audio.
Dynamics is comprised of both a compressor and an expander, which operate jointly
. The Compressor in Dynamics can set to mild or extreme compression and features a soft knee for more transparent operation.
To enter the Dynamics Menu
Press the
INC
or
DEC
key - “
PARMS
” will be displayed on the right.
To move to the next parameter, press the
MENU
key.
To exit this page, hold the
MENU
key for 1 second.
Dynamics Parameters
•
PARMS
(Parameters):
OFF
/
ON:
This turns the entire compressor/expander on or off.
•
•
Link L-R: OFF
/
ON:
This links the left and right of a stereo unit. So if one side of the signal needs compressing / expansion the other side will kick in to match.
SPEED
(Decay Speed)
: SLOWEST
/
SLOW
/
NORMAL
/
FAST
/
FASTEST
Sets the speed in how gradual the decrease of signal level happens immediately after a signal reaches its
• peak. This is typically set to
FAST
.
ATTACK
(Attack Speed)
: SLOWEST
/
SLOW
/
NORMAL
/
FAST
/
FASTEST
Sets the speed in how fast the gain is turned down once the signal exceeds the threshold setting. This is typically set to
FAST
.
•
•
•
•
CMP RATIO
(Compressor Ratio)
:
Valid range:
1.0:
to
5.0:1
, In
0.1
steps
.
The amount of gain reduction is determined by the
ratio
setting.
A compressor ratio for example of 2.0:1 means for every 1 dB above the compressor threshold the gain will be reduced 2 dB. A higher ratio setting makes the compressor more aggressive.
CMP THRESH
(Compressor Threshold): Valid range:
0
to
–96dB
, in
1dB
steps.
Sets the level which gain reduction occurs. This is typically set to -12dB from full scale.
CMP KNEE:
(Compressor Soft Knee): Valid range:
0
to
20dB
, In
1dB
steps.
Sets the compressor's soft knee. A soft knee reduces “softens” the audible change from uncompressed to compressed, especially for higher ratios where the changeover is more noticeable
EXP RATIO
(Expansion Ratio)
:
Valid range:
1:1.00
to
1:4.00
, In
0.01
steps
Sets the expansion ratio. For example a1:2.0 expansion ratio means for every 1 dB below the expansion threshold the gain will be reduced 2 dB.
•
EXP THRESH
(Expansion Threshold)
:
Valid range:
0
to
–96dB
, in
1dB
steps.
•
Sets the threshold above which gain reduction occurs. This is typically set to -80dB.
REDUCE
(Expander Gain Reduction)
:
Valid range:
0
to
–36dB
, in
1dB
steps.
•
Sets the limit on the amount of gain reduction caused by the expander. This is typically set to -6dB.
GAIN
(Make-up Gain)
:
Valid range:
0
to
30dB
, In
1dB
steps.
Used to compensate for the gain reduction caused by the action of the compressor. Because the compressor is reducing the gain (or level) of the signal, the ability to add a fixed amount of
make-up gain
at the output is provided so that an optimum level can be used.
17
Zaxcom TRX-942 Manual Extended Menu
Analog to Digital Converter
ADC: ANALOG
This menu sets where the analog audio signal is converted to a digital signal.
•
ANALOG -
This setting is used when using an analog microphone.
•
AES-42(L)
- This setting is used when using and transmitting the left side of an AES-42 microphone.
•
AES-42(R)-
This setting is used when using and transmitting the right side of an AES-42 microphone.
IMPORTANT:
Any change to this setting
REQUIRES
a reboot before the new setting takes effect.
Battery Type
BATTERY TYPE:
NIMH QRX
This menu adjusts the battery type you are using so the receiver can properly display the remaining battery capacity.
•
The settings are NIMH, Lithium and Alkaline (Displayed as “ - - - -“)
NOTE:
In the menu you will see “
ENG
” and “
QRX
” options for these battery types as well. This is so each type Zaxcom receiver model “ENG” for the RX-900 or “QRX” for the QRX-100 can correctly display the transmitter’s battery level.
Recording Mode
RECORD MODE:
LOOP RECORD
This adjusts what the transmitter will do after you reach the record capacity of the card.
•
NON-LOOP RECORD
(recommended setting) - Once the card has filled up, recording will stop and
FULL
will be displayed. This prevents over-writing any portion of the audio.
•
LOOP RECORD
- Once the media has filled up, the new audio will begin over-writing the oldest audio on the card.
18
ALLOW IFB REMOTE
CONTROL: ON
Zaxcom TRX-942 Manual Extended Menu
Boot Up Mode
BOOT UP IN
NORMAL MODE
•
REMOTE STANDBY
– The transmitter boots up in Low Power Standby mode. The TRX-942 will be waiting for a ZaxNet
“WAKE”
command to come up to full power.
•
STANDBY MODE
– The transmitter boots up in Low Power Standby mode. The TRX-942 will be waiting for you to
Press Menu
to come up to full power.
•
NORMAL MODE
– The transmitter will boot up in Normal mode.
Left Right Switch
LR SWITCH MODE
OFF
This menu turns on the Left / Right switch mode.
This function allows the wireless user to cause the audio to switch from the left output to the right output of a stereo RX900 receiver when the key is pressed.
You can select the
UP
,
DOWN
, or
MENU
key to act as the trigger.
NOTE
: This is only compatible with the RX900S Receiver
Side Tone Gain
SIDE TONE GAIN
0 dB
This boosts what audio level is being fed to the headphone out of the TRX-942.
•
This is user selectable to 0db, +6dB, +9dB, +12dB.
IFB Remote Control
This menu will not appear if the IFB settings allow the TRX to go into transmit mode.
ALLOW IFB REMOTE
CONTROL: ON
This menu turns ON / OFF if the TRX-942 will accept remote control commands via ZaxNet.
19
Zaxcom TRX-942 Manual Extended Menu
IFB Jam Threshold
IFB JAM THRESH
1000 MS (DEFAULT)
This menu sets how much the timecode has to jump before a new file is forcibly created.
IMPORTANT:
When a new file is created, while a take is in progress, about a half of second of the
audio will be lost.
QRX Program
PRESS TO SEND
QRX PROG FILE
This is used to update the software on a QRX-100.
To Update the QRX Software:
1.
With a computer copy the QRX software onto a formatted mini SD card.
2.
Place the card in the transmitter
3.
Power up the transmitter.
4.
Advance to this menu.
5.
Press the INC key.
6.
The transmitter will begin to transmit the software to a QRX-100 that is set to receive the software.
The transmitter will continually resend the program until you manually stop it.
Home Screen Record / Stop
ALLOW HOME SCRN
REC-STOP: ON
This allows the TRX-942 to use the
INC
and
DEC
keys to start the internal recorder from the
HOME
SCREEN
.
If this is turned
ON
when in the
Home Screen:
•
Press and hold the
INC
key for 1.5 seconds the TRX-942 will start recording.
•
Press and hold the
DEC
key for 1.5 seconds the TRX-942 will stop recording.
Phase Invert Channel
PHASE INVER CH2
OFF
This setting is not applicable to the TRX-942.
20
Zaxcom TRX-942 Manual Extended Menu
TX Disable
TX DISABLE:
NORMAL TX MODE
•
Record Only Mode
– This will set the TRX-942 to act as a standalone recorder and will not transmit any
RF audio on the UHF band.
•
Normal TX Mode
– This will set the TRX-942 to both transmit RF audio and record on its internal SD card.
Low Battery Stop
LOW BATT STOP:
NEVER STOP
LOW BATT STOP:
5 MINUTES
This menu sets the amount of time after a low battery warning the on-board recorder will close the current file and stop recording.
This is to prevent possible file corruption if the unit powers off and on due to a dead battery.
•
NEVER STOP
- The recorder will not stop recording unless you stop it.
•
Any interval from 1 to 99 minutes
- once the battery indicator starts blink a low battery warning the
TRX-942 will continue to record for the time set in the menu - then it will close the file and stop recording.
Record On Bootup
RECORD ON BOOTUP
ON
This menu will determine if the TRX-942 will automatically go into record after the unit boots up.
•
ON
- The transmitter will automatically start to record after it boots up.
•
OFF
- The transmitter will wait for a ZaxNet command or a manual record trigger to start recording.
21
Zaxcom TRX-942 Manual Extended Menu
Name
NAME: SN1234
This menu changes the name of the transmitter.
The name entered into the unit becomes part of the name of the audio files generated by the unit and is also included in the metadata of the BWF file. Naming the unit aids in identifying the files from several different wireless.
The maximum Name length is 8 characters. You can select any letter or number and can even use spaces.
To set/change the name
:
1. Press the
INC
or
DEC
key to change the character in the current position.
2. Press the
MENU
key to proceed to the next character.
3. When finished, press and hold the
MENU
key set the name and leave this page or you can cycle the power.
Encryption Menu
ENCRYPTION MENU:
HIDDEN
This hides the Encryption Menu.
•
HIDDEN
the encryption menu doesn’t appear when you cycle through the menu settings.
•
ON
the Encryption will appear.
Encryption Code page
ID1:000 ID0:000
If you set an encryption code the transmitted audio will be encrypted and can only be listened to if the receiver has the matching encryption code entered. When receiving an audio signal and the codes do not match, all that will be heard is white-noise or silence.
These two sets of numbers are formed into a single six-digit encryption code which provides a total of
16,777,216 possible combinations.
To adjust the encryption code
1. Momentarily press the
MENU
key to advance to the next character.
2. To change the designated character, press the
INC
or
DEC
key.
3. To exit this page, press and hold the
MENU
key for 1 second.
NOTE:
Both of these codes should always be set to
000
for normal un-encrypted operation.
22
Zaxcom TRX-942 Manual Recording Media
Media
While any size card will work we recommend using a 4GB Micro SD card. We also recommend that you buy a brand name card such as Transcend, SanDisk, or Delkin. You should always buy your cards from a reputable dealer because counterfeit cards exist and can cause recording issues.
We also recommend that you test your card before taking them out into the field.
Here is a testing procedure to determine if the card will function correctly:
1.
Format the card in the transmitter.
2.
Power cycle the unit.
3.
Record at least 20 minutes of audio to a card with no timecode source.
4.
Look at the Main Screen it should still be recording in segment #1.
Media Capacity
The TRX can use Micro SD cards, ranging in size from 128 MB to 16 GB. While any size card will work we recommend using 4GB cards.
Available recording times are as follows:
Media Size
128 MB
256 MB
512 MB
1 GB
2 GB
4 GB
8 GB
16 GB
Available
Recording Time
45 minutes
1.5 hours
3 hours
6 hours
12 hours
24 hours
48 hours
96 hours
IMPORTANT:
The transmitter will
NOT
record onto the card if:
•
The card was not present when the unit was powered up
•
•
If the card was removed while the power was ‘ON’
If the LOW BATTERY is being displayed.
NOTE:
Regardless of the size of the card the TRX will only be able to record 254 segments on the card.
Recording Format
The media card is formatted using a FAT32 file system. While recording, the unit places all recorded audio in a single file on the media.
The files generated by the recorder can only be recognized by Zaxcom’s ZaxConvert program. Using
ZaxConvert will transfer the file to a Broadcast Wave or MP3 file. This utility is available to anyone for free from the
Zaxcom website
http://www.zaxcom.com/software-updates
23
Zaxcom TRX-942 Manual Firmware
Firmware
Each unit is shipped with the latest firmware version installed. As newer firmware becomes available, it can be downloaded from the Zaxcom website:
http://www.zaxcom.com/software-updates
Newer version of Beta software may be found on the Zaxcom Forums:
http://www.zaxcom.com/forum
Each time a unit is powered up, the firmware version number is displayed briefly on the LCD screen.
Pressing the
DEC
key during the boot up will slow down the screen to allow easier viewing of the information.
Updating TRX Firmware
1.
Download the firmware from the Zaxcom website and load it onto a formatted card.
2.
Insert the card into the TRX transmitter.
3.
Simultaneously hold down the
INC
and
DEC
keys while powering up the unit.
4.
The screen will display “
BURN ROM
” with the version of firmware you are loading.
5.
From power up to “
DONE
” will take about 30 seconds.
6.
Upon completion, cycle the power to run on the new version.
WARNING :
Do not power down the unit during the upgrade process. Before upgrading the software be sure to insert a fresh set of batteries. If the unit should lose power during the upgrade, it will need to be sent back to Zaxcom for repair.
24
Zaxcom TRX-942 Manual Firmware
Updating an ERX with your TRX-942
Your transmitter can be used to update the software in a Zaxcom ERX receiver. Your transmitter must be running version 7.02 or higher to do so.
1.
Format a card in your TRX.
2.
With a computer perform the following:
A.
Delete the “DELETE.ME” file on the card
B.
Download the ERX firmware “ERX-XXX.bin” from the Zaxcom website and load it onto a card formatted by the TRX.
3.
Insert the card into the TRX.
4.
Check that the ERX is set to the same ZaxNet frequency that the TRX is set to. Check that the GROUP ID is set the same in both the TRX and ERX. And make sure encryption is shut off.
5.
Boot up the ERX while holding the Menu key to get to the ERX EXTENDED menu.
6.
On the ERX Press menu 5 times till you see the software update page.
7.
Press the INC key on the ERX 5 times till you see WAITING FOR PROGRAM.
8.
Power up the TRX.
9.
If your TRX is running software version 8.0 or higher in the EXTENDED Menu shut off RX to TX mode.
10.
Go to the LOCK page and press down 6 times quickly to get to the FACTORY Menu.
11.
Press the MENU key once to get to the IFBMODE page.
12.
Press the INC key 3 times till you see IFBMODE 3 TX.
13.
Press MENU 3 times until you see SEND ERX PROG FILE.
14.
Press the INC key to trigger the update process.
15.
The ERX should indicate its progress after a few seconds.
16.
When the ERX has been updated the screen will display “SUCCESS”.
WARNING DO NOT LEAVE THE TRX IN IFBMODE 3 TX.
If you do the TRX may not boot up when power cycled. If this happens hold the MENU and DOWN keys while booting to force the IFB to OFF. Then go to the IFB Mode in the factory menu to set IFB mode to IFBMODE 1 RX. Though as of version 8.19 this is no longer an issue.
25
Zaxcom TRX-942 Manual Antenna Cutting Chart
Antenna Cutting Chart
26
Zaxcom TRX-942 Manual Frequency Chart
Operating Frequencies
ZaxNet Remote Control and Timecode
2.403 to 2.475 GHz
UHF Audio
26
27
28
29
30
31
32
Block
20
21
22
23
24
25
Frequency
Range
518.0 to 542.0
536.0 to 572.0
560.0 to 590.0
590.0 to 614.0
614.0 to 644.0
638.0 to 668.0
662.0 to 692.0
686.0 to 722.0*
722.0 to 746.0*
740.0 to 770.0*
764.0 to 794.0*
794.0 to 818.0*
818.0 to 842.0
TV
Channels
22 to 25
25 to 30
29 to 33
34 to 37
38 to 42
42 to 46
46 to 50
50 to 55
56 to 59
59 to 63
63 to 67
68 to 71
72 to 75
33
UK
860.0 to 872.0
606.0 to 636.0
79 to 80
As of 12 June 2009, the USA has phased out analog television. As a result frequencies between 698.0 and
*
806.0 MHz will no longer available for use in the USA.
As of 31 August 2011, Canada has phased out analog television. As a result, frequencies between 698.0 and 806.0 MHz are no longer available for use in Canada.
27
Zaxcom TRX-942 Manual Specifications
Specifications
Transmitter
TRX942 RF Power Output: 10 / 25 / 50 mW – Software Selectable
RF Modulation: Proprietary Digital Method
RF Frequency Range: 518.0 to 872.0 MHz (Typical Blocks are 36 MHz wide)
RF Frequency Step: 100 KHz
RF Bandwidth US Mode: 200 KHz
RF Bandwidth EU Mode: 125 KHz
Channel Separation: 500 KHz (700 KHz recommended)
Antenna Connector: 50 Ω SSMA Female
Emission Designator: 180 KV2E
FCC Part: 74.861
Transmitter Audio
Analog Dynamic Range: 106 dB
Digital Dynamic Range: 124 dB
Distortion: 0.001%
Frequency Response: Mode 0: 20 Hz to 16 kHz / T & M Mode 0.2 Hz to 16 kHz
High Pass Filter: Off or 30 to 220 Hz, Steps: 10 (6 dB Per Octave)
System Group Delay: US Mono Mode: 3.6 ms / EU Mode: 6 ms
Mic Power: 48 VDC Phantom, balanced, 10 mA max
Mic Connector: XLR-3F
Line-Level Input Range: -10 to +4 dBu
Mic-Level Input Range: -60 to -30 dBu
LineLevel Impedance: 6.2 k Ω
MicLevel Impedance: 4.6 k Ω
ADC Bit-Depth: 24 Bits
ADC Sampling-Rate: 48 kHz
Timecode Reader / Generator
Clock Accuracy: 1.54 PPM (1 Frame Out in 6 Hours)
Timecode Type: SMPTE
Timecode Frame-Rates: 23.98, 24, 25, 29.97NDF, 29.97DF, 30NDF, 30DF
Internal Recording
Media: MiniSD Card (Flash Memory)
File Format: .ZAX
Recording Time: 96 Hours (16 GB Card)
28
Zaxcom TRX-942 Manual Specifications
2.4 GHz ZaxNet Receiver
RF Frequency Range: 2.403 to 2.475 GHz
RF Modulation: Digital Spread Spectrum
RF Frequency Step: 0.001 GHz (1 MHz)
RF Bandwidth: 1 MHz
Channel Separation: 2 MHz
Sensitivity: -96 dBm
DAC Bit-Depth: 24 Bit
DAC Rate: 48 kHz
Frequency Response: 20 Hz to 12 kHz
Output Impedance: 8 Ω minimum
Physical
Weight: 13.2 oz.. (374 grams) with Battery
Dimensions (H x W x D): 5.5
″ x 2.9″ x 1.1″ (140 mm x 74 mm x 28 mm)
Display: Graphic LCD
Power
AES42 Microphone: up to 4 hours @ 50 mW (one ZPX)
Analog microphone: up to 6 hours @ 50 mW (one ZPX)
All specifications are subject to change without notice.
Zaxcom Digital Wireless is protected under patent #’s: 7,711,443 & 7,929,902
29
Zaxcom TRX-900LA/LAS Manual Support
Product Support
Register
your product with Zaxcom:
Download the latest
Firmware
from:
Download the latest
User Manuals
from:
Submit Technical Questions
at:
http://www.zaxcom.com/product-registration http://www.zaxcom.com/software-updates http://www.zaxcom.com/instruction-manuals http://www.zaxcom.com/submit-a-technical-question
Submit information for
Repair Services
at:
http://www.zaxcom.com/repairs
Join the
Zaxcom Forum
at:
http://www.zaxcom.com/forum
Consumer Alert
Most users do not need a license to operate a wireless microphone system. Nevertheless, operating a microphone system without a license is subject to certain restrictions:
• the system may not cause harmful interference,
• it must operate at a low power level (not in excess of 50 milliwatts),
• it has no protection from interference received from any other device.
Purchasers should also be aware that the FCC is currently evaluating the use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-
FCC) or visit the FCC’s wireless microphone website at:
www.fcc.gov/cgb/wirelessmicrophones.
To operate wireless microphone systems transmitting with greater than 50mW of radiated power, you must qualify as a
Part 74 user and be licensed.
This alert does
NOT
apply to Part 74 users
30
Zaxcom Warranty Policy and Limitations
Zaxcom Inc. values your business and always attempts to provide you with the very best service.
No limited warranty is provided by Zaxcom unless your
TRX-942
(“Product”) was purchased from an authorized distributer or authorized reseller.
Distributers may sell Product to resellers who then sell Product to end users. Please see below for warranty information or obtaining service. No warranty service is provided unless the Product is returned to Zaxcom Inc. or a Zaxcom dealer in the region where the Product was first shipped by
Zaxcom.
Warranty Policy
The Product carries a Standard Warranty Period of one (1) year.
NOTE:
The warranty period commences from the date of delivery from the Zaxcom dealer or reseller to the end user.
There are no warranties which extend beyond the face of the Zaxcom limited warranty. Zaxcom disclaims all other warranties, express or implied, regarding the Product, including any implied warranties of merchantability, fitness for a particular purpose or non-infringement. In the United States, some laws do not allow the exclusion of the implied warranties.
Troubleshooting & Repair Services
No Product should be returned to Zaxcom without first going through some basic troubleshooting steps with the dealer you purchased your gear from.
To return a product for repair service, go to the Zaxcom Repair Services page (
http://www.zaxcom.com/repairs
) and fill in your information; there is no need to call the factory for an RMA. Then send your item(s) securely packed (in the original packaging or a suitable substitute) to the address that was returned on the Repair Services page. Insure the package, as we cannot be held responsible for what the shipper does.
Zaxcom will return the warranty repaired item(s) via two-day delivery within the United States at their discretion. If overnight service is required, a
FedEx or UPS account number must be provided to Zaxcom to cover the shipping charges.
*Please note, a great resource to troubleshoot your gear is the Zaxcom Forum:
http://www.zaxcom.com/forum
.
Warranty Limitations
Zaxcom’s limited warranty provides that, subject to the following limitations, each Product will be free from defects in material and workmanship and will conform to Zaxcom’s specification for the particular Product.
Limitation of Remedies
Your exclusive remedy for any defective Product is limited to the repair or replacement of the defective Product.
Zaxcom may elect which remedy or combination of remedies to provide in its sole discretion. Zaxcom shall have a reasonable time after determining that a defective Product exists to repair or replace a defective Product. Zaxcom’s replacement Product under its limited warranty will be manufactured from new and serviceable used parts. Zaxcom’s warranty applies to repaired or replaced Product for the balance of the applicable period of the original warranty or thirty days from the date of shipment of a repaired or replaced Product, whichever is longer.
Limitation of Damages
Zaxcom’s entire liability for any defective Product shall, in no event, exceed the purchase price for the defective Product. This limitation applies even if
Zaxcom cannot or does not repair or replace any defective Product and your exclusive remedy fails of its essential purpose.
No Consequential or Other Damages
Zaxcom has no liability for general, consequential, incidental or special damages. These include loss of recorded data, the cost of recovery of lost data, lost profits and the cost of the installation or removal of any Product, the installation of replacement Product, and any inspection, testing or redesign caused by any defect or by the repair or replacement of Product arising from a defect in any Product.
In the United States, some states do not allow exclusion or limitation of incidental or consequential damages, so the limitations above may not apply to you. This warranty gives you specific legal rights and you may also have other rights, which vary from state to state.
Your Use of the Product
Zaxcom will have no liability for any Product returned if Zaxcom determines that:
•
The Product was stolen.
•
The asserted defect:
1.
Is not present,
2.
Cannot reasonably be fixed because of damage occurring when the Product is in the possession of someone other than Zaxcom, or
3.
Is attributable to misuse, improper installation, alteration, including removing or obliterating labels and opening or removing external covers
(unless authorized to do so by Zaxcom or an authorized Service Center), accident or mishandling while in the possession of someone other than Zaxcom.
•
The Product was not sold to you as new.
Additional Limitations on Warranty
Zaxcom’s warranty does not cover Product, which has been received improperly packaged, altered or physically abused.
31
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