Zaxcom ZMT User Manual
USER MANUAL
Published December 2016
Firmware Version THD1-06
IC:12755A-ZMT
FCC ID: PR6ZMT
ZMT
Don’t Let The Size Fool You
1
ZMT TRANSMITTER ....................................................................................................................................... 1
HOME SCREEN .............................................................................................................................................. 6
MAIN MENU ................................................................................................................................................. 7
MICROPHONE GAIN SET ................................................................................................................................................................1
UHF TRANSMIT FREQUENCY SET .....................................................................................................................................................7
TRANSMITTER LOCK PAGE ..............................................................................................................................................................7
SUB MENUS .................................................................................................................................................. 8
MENU GROUPS ............................................................................................................................................................................8
ACCESSING AND NAVIGATING THE MENU GROUPS ...............................................................................................................................8
ENTERING AND NAVIGATING A SUB MENU ..........................................................................................................................................8
EXITING THE EXTENDED MENU .........................................................................................................................................................8
TIME CODE MENU ......................................................................................................................................... 9
TIME CODE FRAME RATE SET ..........................................................................................................................................................1
TIME CODE SOURCE SELECT ............................................................................................................................................................9
TC JAM MODE SELECT ..................................................................................................................................................................1
MUTE TIME CODE TRANSMISSION UNTIL JAMMED ...........................................................................................................................10
AUTO FRAME RATE ENABLE ..........................................................................................................................................................10
TRANSMIT MENU ......................................................................................................................................... 11
UHF TRANSMITTER POWER LEVEL SET ...........................................................................................................................................11
UHF TRANSMIT MODULATION SET ................................................................................................................................................11
TRANSMITTER DISABLE - RECORD ONLY MODE ..................................................................................................................................11
RECORD MENU ............................................................................................................................................ 12
SD CARD FORMAT ......................................................................................................................................................................12
PLAYBACK CONTROL ....................................................................................................................................................................12
TIME LEFT ON CARD ....................................................................................................................................................................13
AUTOMATIC RECORD AFTER BOOT UP .............................................................................................................................................13
RECORDING MODE SET ................................................................................................................................................................13
LOW BATTERY STOP SET ................................................................................................................................................................1
ZAXNET MENU ............................................................................................................................................. 14
ZAXNET MODE ..........................................................................................................................................................................14
ZAXNET RECEIVE FREQUENCY SET ..................................................................................................................................................14
ZAXNET TRANSMIT FREQUENCY SET ...............................................................................................................................................14
GROUP CODE SET .......................................................................................................................................................................15
UNIT CODE SET ............................................................................................................................................................................1
ZAXNET VOTING ENABLE .............................................................................................................................................................15
ZAXNET RECEIVE BEFORE TRANSMIT TIME ......................................................................................................................................16
IFB RECEIVE PULSE SET ...............................................................................................................................................................17
RECORD BEEP SET.......................................................................................................................................................................17
AUDIO MENU............................................................................................................................................... 18
HIGH PASS FILTER .........................................................................................................................................................................1
2K NOTCH FILTER .........................................................................................................................................................................1
DYNAMICS ................................................................................................................................................................................19
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SETUP MENU ............................................................................................................................................... 20
TEST TONE ..................................................................................................................................................................................1
BATTERY TYPE SET ......................................................................................................................................................................20
KEY LOCK ON BOOT UP .................................................................................................................................................................1
QRX / ERX FIRMWARE UPDATE ...................................................................................................................................................21
LOW BATTERY STOP ......................................................................................................................................................................1
OLED BRIGHTNESS ADJUST ............................................................................................................................................................1
OLED DISPLAY DIM ......................................................................................................................................................................1
INVERT DISPLAY............................................................................................................................................................................1
INFORMATION PAGE .....................................................................................................................................................................1
HIDE ENCRYPTION MENU ...............................................................................................................................................................1
ENCRYPTION CODE SET ................................................................................................................................................................22
HIDE TRANSMITTER NAME MENU ...................................................................................................................................................1
TRANSMITTER NAME SET .............................................................................................................................................................23
RECORDING FORMAT ..................................................................................................................................................................24
FIRMWARE .................................................................................................................................................. 25
UPDATING THE ZMT FIRMWARE....................................................................................................................................................25
UPDATING ERX FIRMWARE WITH A ZMT TRANSMITTER .....................................................................................................................25
UPDATING QRX FIRMWARE WITH A ZMT TRANSMITTER ....................................................................................................................26
INPUTTING AUDIO ....................................................................................................................................... 27
RECOMMENDED MICROPHONES .................................................................................................................. 27
WIRING DIAGRAMS...................................................................................................................................... 27
TWO WIRE MICROPHONE CONFIGURATION .....................................................................................................................................27
THREE WIRE MICROPHONE CONFIGURATION ...................................................................................................................................27
BALANCED LINE LEVEL AND TIME CODE INPUT ..................................................................................................................................28
OPERATING FREQUENCIES ............................................................................................................................ 29
ZAXNET - REMOTE CONTROL AND TIME CODE .................................................................................................................................29
UHF - AUDIO ............................................................................................................................................................................29
PRODUCT SUPPORT ..................................................................................................................................... 31
SPECIFICATIONS ........................................................................................................................................... 32
ZAXCOM WARRANTY POLICY AND LIMITATIONS ........................................................................................... 33
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Zaxcom ZMT FCC ID:PR6ZMT IC: 12755A-ZMT
Transmitter Layout
ZMT Transmitter
1. SMA Antenna Connector
2. OLED Display
3. Card / Power Key
4. Microphone Input Connector (3 Pin Lemo)
5. INC / Record Key
• Increases the parameters of a menu item.
• When in the home screen pressing INC with the CARD key will put the transmitter into record.
• When in the transport control screen while not recording will cause the transmitter to playback.
• Pressing while playing back will advance playback, multiple presses will cause playback to advance in
larger increments.
• Press and hold while in the transport control screen will advance to the next segment.
• Press it while in the home screen will display the group and unit code and the time left on the card.
6. DEC / Stop Key
• Decreases the parameters of the menu items.
• When in the home screen pressing DEC with the CARD key will stop the recording.
• When playing back in the transport control screen will cause the transmitter to stop playback.
• Press and hold while in the transport control screen will jump back to the previous segment.
• Pressing it three times quickly while in the home screen will access the sub menu.
7. Menu / Play Key
• Press it to access the next menu item.
• Press it with the CARD key to playback a segment.
2 2
2
2
2 2
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Zaxcom ZMT
Transmitter Layout
1. SSMA Antenna Connection
2. Media Slot Media Slot
Inserting a Micro SD card:
With the OLED screen of the transmitter facing you, turn the card so the finger contacts are facing you
and pointing down toward the slot. Insert the card 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.
3. Microphone / Input connector (3 pin Lemo)
2
2
2
2
4. Battery Compartment
ZMT uses 1 NP50 battery.
5
5
Zaxcom ZMT
GROUP:1 UNIT:1
TIME LEFT 24H
TC: 09:18:05:00
23.98 (AUTO)
ZaxNet Status Transport Power
Frequency Modulation Status Level
Battery Level Audio Meter Gain
543.2 STOP
5
Home Screen
Home Screen
ZHD96 SEG 001
G
And Type Indicators at -20, -10, 0 dBFS
Frequency - This is the transmit frequency of the ZMT.
If the ZMT is being used in RECORD ONLY mode “NOTX” will be displayed.
ZaxNet Status
• IFB RX - The ZMT is receiving ZaxNet.
• IFB TX - The ZMT is transmitting ZaxNet.
Transport Status – Displays the current mode of the recording feature.
• STOP - Recording / Playback is stopped
• LREC - ZMT is recording in LOOP RECORD mode.
• REC - ZMT is recording in NON-LOOP RECORD mode.
• PLAY - ZMT is playing back a recorded audio file.
Power Level - Displays the transmit power level.
Battery - This displays the approximate percentage of remaining battery power.
Audio Meter - Displays the modulation of the inputted audio signal.
SEG - Displays the number of recorded segments on the micro SD card. Please note that regardless of
the size of the card it is limited to 500 segments.
Gain - “G” Appears when the transmitter is receiving change of gain commands via ZaxNet.
Group and Unit Code - Pressing the INC key while in the
home screen will display the group and unit code and the
record time remaining on the card.
Time Code and Frame Rate - Pressing the DEC key while in
the home screen will display the time code and frame rate of
the time code generator.
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Zaxcom ZMT
GAIN 20 dB
TXFREQ 543.2
Countdown clock starting at 5 seconds
After the transmitter locks
LOCKED 20 dB
09:18:05:02
IFB RX
LOCK 5
Main Menu
Main Menu
To cycle through the main menu press the MENU key.
Microphone Gain Set
The microphone gain is adjusted from this menu. This menu displays the gain setting in decibels and a meter
indicating the audio signal. The meter is displayed horizontally from left to right.
UHF Transmit Frequency Set
This menu is where the UHF transmit frequency is set.
• 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
Transmitter Lock Page
This page enables a key lock function.
When a transmitter is locked the front keys will not be operational, this is to prevent any accidental key
presses. Pressing the INC and DEC key when the transmitter is locked will display additional information.
When the lock page is landed on a countdown clock will begin. After 5 seconds the transmitter will lock
and the display will indicated that it is LOCKED followed by some of the transmitters parameters.
If the screen is exited before the 5 seconds is up the transmitter will not lock.
To lock the transmitter before the 5 seconds press and hold the DEC key.
To unlock the transmitter
• Simultaneously press the MENU and INC keys 5 times.
Or
• Powering down and reboot the transmitter.
23.98
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Zaxcom ZMT
Menu Navigation
Sub Menus
Menu groups
The ZMT has six sub menu groups
• Time Code - Changes the time code parameters of transmitter.
• Transmit - Changes the parameters of the UHF transmitter.
• Record - Changes the parameters of the on-board recorder.
• ZaxNet - Changes the parameters of the ZaxNet transceiver.
• Audio - Changes the parameters of the transmitted and recorded audio.
• Setup - Changes the parameters of the general operation on the transmitter.
Accessing and navigating the menu groups
From in the home screen press the CARD key three times, or hold the MENU key while booting up, to access the
six menu groups. Then pressing the INC or DEC key will cycle between the menu items.
Entering and navigating a sub menu
When landing on the desired menu group press the MENU key to enter that menu.
To return to the top of the menu press the MENU key to cycle to the top or press and hold the MENU key for 1.5
seconds.
Exiting the extended menu
Press the MENU key to cycle through the sub menu items until HOME MENU is displayed then press the
MENU key or cycle the power.
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Zaxcom ZMT
TIMECODE 23.98
TC SOURCE:
TC JAM MODE:
Time Code Menu
TIME CODE MENU
Time Code Frame Rate Set
GEN 09:18:05:02
The time code frame rate menu is where the time code frame rate is set.
The ZMT will lock to and record all standard time code frame rates.
• 23.98, 24, 25, 29.97DF, 29.97DF, 30 DF, 30 NDF
Time Code Source Select
ZAXNET (RF)
The time code source menu selects how the transmitter will receive its time code.
• ZAXNET (RF) - The ZMT will receive time code via ZaxNet from a Nomad, a QRX235, IFB100/200, TRX900CL
or another TRX transmitter or a ZFR recorder that is transmitting ZaxNet time code.
• AUDIO INPUT - The ZMT, with a proper cable, will receive time code via the microphone input.
When time code is connected, it takes the ZMT approximately three seconds to recognize the TC. The screen
will display TIME CODE followed by JAM when it is recognized. Please note that when using the microphone
input connector, the audio level of the time code 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 time code.
TC Jam Mode Select
AUTO-JAM NORMAL
This menu controls if the ZMT will go into record when it receives a record run time code.
• AUTO-JAM NORMAL - The ZMT will continuously jam time code via ZaxNet and will go into record when
receiving a record command via ZaxNet or if the unit is put into record manually by pressing the CARD and
INC keys simultaneously.
• AUTO-LOAD REC RUN - In Auto-Load mode the ZMT will go into record when it detects rolling time code,
and will stop when the time code stops. If time code 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 time code signal is restored.
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Zaxcom ZMT
MUTE TC SEND
AUTO FRAME RATE
Time Code Menu
Mute Time Code Transmission Until Jammed
UNTIL JAMED: OFF
If the mute time code menu is set to ON the ZaxNet transmitter will not broadcast time code over ZaxNet
until the transmitter receives time code and jams its own internal time code generator. This prevents the
ZaxNet from sending incorrect time code to another device.
Auto Frame Rate Enable
ON (23.98)
When turned ON the ZMT will automatically set its frame rate to the frame rate that is being transmitted
from the ZaxNet transmitter that is feeding the ZMT. If auto frame rate is set to OFF the frame rate will need
to be adjusted manually. Please note that auto frame rate will only work when the time code is being
received over ZaxNet and will not work when time code is being received via the audio input.
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Zaxcom ZMT
MONO
XR
ZHD 96
ZHD 48
TX POWER: 50MW
TX FORMAT:
PRESS CARD TO REBOOT
TX DISABLE :
Transmit Menu
TRANSMIT MENU
UHF Transmitter Power Level Set
The UHF transmit power of the ZMT is set from this page. The transmit power can be adjusted to output
25 or 50mW. The higher the power setting the more battery power will be required.
UHF Transmit Modulation Set
ZHD96
The UHF transmission modulation is the way the ZMT sends audio to the receiver. The modulation format is set
from this menu. Please note if the transmission format that is set here, and the format set on the receiver do
not match, the receiver will be unable to decode the audio from the transmitter. Also note that after any
change to the transmit format the ZMT will need to be rebooted by pressing the card key before the new
format takes effect.
Modulation Bandwidth 200 kHz 200 kHz 96 kHz 48 kHz
Minimum Channel to Channel Spacing 400 kHz 400 kHz 200 kHz* 100 kHz**
6 MHz TV Channel Capacity 15 15 30 60
Latency 3.5ms 6ms 6ms 18ms
Compatibility with a 200 Series Receiver 2 Transmitters 2 Transmitters 2 Transmitters 1 Transmitter
Compatibility with a 300-96 Receiver NO NO 1 Transmitter 1 Transmitter
Compatibility with a 300-48 Receiver NO NO NO 1 Transmitter
* When used with a QRX300-96 receiver – the minimum spacing is 300 kHz when using all other receivers.
**When used with a QRX300-48 receiver – the minimum spacing is 200 kHz when using all other receivers.
Transmitter Disable - Record only mode
NORMAL TX MODE
• Record Only Mode - Will set the ZMT to act as a standalone recorder and will not transmit any audio over
UHF. This will conserve battery power since the transmitter is disabled.
• Normal TX Mode - Will allow the ZMT to both transmit audio and record on its internal micro SD card.
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