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Zaxcom TRXLT3 Wiring Diagrams

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Inputting Audio

The TRXLT3 use an unbalanced microphone input via a 3-pin micro-LEMO connector. An unbalanced dynamic
microphone or a powered lavaliere can be used.

The TRXLT3 can also accept a line-level input, though an inline pad is required.

Recommended Microphones

Zaxcom recommends the following microphones for use with the TRXLT3:
Countryman EMW, B3, B6, Sanken COS-11D, DPA 4063

Wiring Diagrams

The following 3-pin micro-LEMO connectors mate with the microphone connector:



FGB.00.303.CLAD.22 – has a latch with a pull release.



FVB.00.303.NLA – has a latch with a twist release.

Please note it is required that the ground gets attached to the shell of the LEMO connector.

Two Wire Microphone Configuration

Three Wire Microphone Configuration

Please contact the microphone manufaturer.

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Summary of Contents for TRXLT3

Page 1: ...1 USER MANUAL Published March 2017 Firmware Version THD1 58 TRXLT3 Don t Let The Size Fool You ...

Page 2: ...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 13 ZAXNET MENU 14 ZAXNET MODE 14 ZAXNET RECEIVE FREQUENCY SET 14 ZAXNET TRANSMIT FREQUENCY SET 14 GROUP C...

Page 3: ...HE TRXLT3 FIRMWARE 25 UPDATING ERX FIRMWARE WITH A TRX TRANSMITTER 25 UPDATING QRX FIRMWARE WITH A TRX TRANSMITTER 26 INPUTTING AUDIO 27 RECOMMENDED MICROPHONES 27 WIRING DIAGRAMS 27 TWO WIRE MICROPHONE CONFIGURATION 27 THREE WIRE MICROPHONE CONFIGURATION 27 STEREO MICROPHONE CONFIGURATION FOR TRXLAS 28 BALANCED LINE LEVEL AND TIME CODE INPUT 28 STEREO LINE LEVEL FOR STEREO TRANSMITTERS 28 OPERATI...

Page 4: ... 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 transmitte...

Page 5: ... 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 4 Microphone Input connector 3 pin Lemo 5 Battery Compartment TRXLT3 uses 1 AA battery Alkaline Lithium or NiMH batteries can be used 1 2 3 4 5 n n n n n n n l l m l m 1 1 1 1 1 1 1 1 1 1 ...

Page 6: ...ch shows an approximate percentage of remaining power Audio Meter Displays the modulation of the inputted audio signal If using a stereo transmitter in stereo mode both the left and right audio levels will be shown 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 i...

Page 7: ...l 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 t...

Page 8: ...ccessing 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 cyc...

Page 9: ... 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 This menu controls if the TRXLT3 will go into record when it receives a record run time code AUTO JAM NORMAL The TRXLT3 will co...

Page 10: ...me code to another device Auto Frame Rate Enable When turned ON the TRXLT3 will automatically set its frame rate to the frame rate that is being transmitted from the ZaxNet transmitter that is feeding the TRXLT3 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 ...

Page 11: ...z 200 kHz 96 kHz 48 kHz Minimum Channel to Channel Spacing 400 kHz 400 kHz 400 kHz 200 kHz 100 kHz 6 MHz TV Channel Capacity 15 15 15 30 60 Latency 6ms 3 5ms 6ms 6ms 18ms Compatibility with a 200 Series Receiver 2 Transmitters 2 Transmitters 2 Transmitters 2 Transmitters 1 Transmitter Compatibility with a 300 96 Receiver NO NO NO 1 Transmitter 1 Transmitter Compatibility with a 300 48 Receiver NO ...

Page 12: ...o longer recognized by the transmitter or by ZaxConvert a partial format can be done The partial format rewrites the FAT32 file structure and leaves the recorded audio untouched To do a partial format from this menu press the DEC key 9 times PARTIAL FORMAT will then be displayed Playback Control Recorded files can be played back from this page The top line displays the current mode of the recorder...

Page 13: ...ill stop and FULL will be displayed This setting prevents over writing any portion of the audio LOOP RECORD Once the card is full the new audio will begin over writing the oldest audio on the card Low Battery Stop Set Low battery stop will set the amount of time after a low battery warning occurs the on board recorder will close the current file and stop recording This is to prevent possible file ...

Page 14: ...requency is the frequency that the TRXLT3 will get its wireless time code and remote control commands on This frequency will need to match the frequency of the corresponding ZaxNet transmitter The ZaxNet transmitter can be a QRX with QIFB Nomad TRX900CL or IFB100 200 The TRXLT3 can also receive ZaxNet time code from another TRX transmitter or a ZFR recorder that is transmitting ZaxNet on this freq...

Page 15: ...TRXLT3 is assigned a unit code The unit code is a unique number used to identify each TRXLT3 within a particular group This allows individual transmitters within the same group to be independently controlled Each transmitter should have a different unit code Unit codes can be assigned any number from 1 to 200 ZaxNet Voting Enable This menu will only appear if the TRXLT3 is set to receive RX mode T...

Page 16: ...eive ZaxNet and NOT go into transmit mode Therefore no ZaxNet TC and or audio will be transmitted This setting shuts off the ZaxNet transmitter Receive then Transmit mode After boot up the ZaxNet transceiver will search for a ZaxNet signal for the selected time so it can receive and lock time code before it begins to transmit TC and confidence audio This is adjustable from 1 to 20 Seconds Transmit...

Page 17: ...ches for ZaxNet time code The settings are NEVER or any interval between 5 and 999 seconds Record Beep Set This menu will only appear if the TRXLT3 is set to transmit TX mode When the record beep is set to ON and the TRXLT3 is recording the confidence audio sent to the ERX via ZaxNet will have an audible beep in variable intervals giving conformation that the TRXLT3 is indeed recording The beeps w...

Page 18: ... is turned on and adjusted from this menu The high pass filter range is 70Hz to 220Hz in 10Hz increments 2K Notch Filter The 2K notch filter is useful in removing digital RF interference that can be introduced into some microphones HIGH PASS FILTER 90Hz ____ 2K NOTCH FILTER ON ...

Page 19: ... 1 steps The amount of gain reduction is determined by the compressor 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 2dB A higher ratio setting makes the compressor more aggressive CMP THRESH Compressor Threshold Valid range 0 to 96dB in 1dB steps This sets the level in which gain reduction occurs CMP KNEE Compress...

Page 20: ...nsmitter will boot up normally STANDBY MODE The transmitter boots up in low power standby mode The transmitter will be waiting for a manual press the of the MENU key to come up to full power REMOTE STANDBY The transmitter boots up in low power standby mode The transmitter will be waiting for a ZaxNet WAKE command to come up to full power Key Lock On Boot Up This menu sets what happens to the keys ...

Page 21: ...battery dies Any interval from 1 to 99 minutes Once the battery indicator starts blink a low battery warning the onboard recorder will continue to record for the time set here then it will close the file and stop recording OLED Brightness Adjust This setting adjusts the brightness of the OLED display The brightness can be set from 0 to 3 with 3 being the brightest and 0 the dimmest Number 2 allows...

Page 22: ... signal and the codes do not match all that will be heard is white noise or silence So if using encryption it is important to make sure the matching receiver has the same code These two sets of numbers are formed into a single six digit encryption code which provides a total of 16 777 216 possible combinations Please note that both of these codes should be set to 000 for normal un encrypted operat...

Page 23: ...d in the metadata of the BWF file Naming the unit aids in identifying the files from several different recorders The maximum name length is 8 characters Any letter or number can be used If desired a space can even be used To set change the transmitter name 1 Press the INC or DEC key to change the character in the current position above the arrow 2 Press the MENU key to proceed to the next characte...

Page 24: ... to work properly cards formatted in any other series transmitter will not record properly Please note that regardless of the size of the card the onboard recorder will only be able to record up to 500 individual segments on any given card Available recording times depend on the selected modulation and are as follows SD Card Size Available Record Time Mono Stereo Available Record Time XR ZHD 512 M...

Page 25: ... be sure to insert a fresh set of batteries and do not power down the unit during the update process if the unit should lose power during the upgrade it may need to be sent back to Zaxcom for repair Updating ERX firmware with a TRX transmitter 1 From the ZaxNet menu set ZaxNet mode to transmit TX 2 Check that the ERX is set to the same ZaxNet frequency that the TRX is set to transmit on Check that...

Page 26: ...ll display waiting for program This indicates the receiver is ready to download the new firmware This can be done to several QRXs so they will be updated at the same time 5 At the transmitter proceed to the setup menu proceed to the firmware update menu see TRX manual and press the INC key 6 Each QRX should indicate it is receiving the program 7 After the firmware send cycle all of the receivers s...

Page 27: ...om recommends the following microphones for use with the TRXLT3 Countryman EMW B3 B6 Sanken COS 11D DPA 4063 Wiring Diagrams The following 3 pin micro LEMO connectors mate with the microphone connector FGB 00 303 CLAD 22 has a latch with a pull release FVB 00 303 NLA has a latch with a twist release Please note it is required that the ground gets attached to the shell of the LEMO connector Two Wir...

Page 28: ...Zaxcom TRXLT3 Wiring Diagrams 28 Stereo Microphone Configuration for TRXLAS Balanced Line Level and time code Input Stereo Line Level for stereo transmitters ...

Page 29: ...perating Frequencies 29 Operating Frequencies ZaxNet Remote Control and Time Code 2 403 to 2 475 GHz UHF Audio TRXLT3 5 512 0 MHz to 614 0 MHz Blocks 20 through 23 TRXLT3 6 596 0 MHz to 698 0 MHz Blocks 23 through 26 ...

Page 30: ...Zaxcom TRXLT3 Antenna Cutting Chart 30 ...

Page 31: ...ates Download the latest User Manuals from http zaxcom com support updates Submit Technical Questions at http www zaxcom com submit a technical question Submit information for Repair Services at http www zaxcom com support repairs Join the Zaxcom User Forum at http www zaxcom com forum forum php Join the Zaxcom Face Book User Group at https www facebook com groups 682199065139938 ...

Page 32: ...ic Connector 3 Pin Micro LEMO Mic impedance 6 8 k Ω ADC Bit Depth 24 Bits Time code Reader Generator Clock Accuracy 1 54PPM 1 Frame Out in 6 Hours Time code Type SMPTE Time code Frame Rates 23 98 24 25 29 97NDF 29 97DF 30NDF 30DF Recording Media Micro SD Card Flash Memory File Format ZAX Recording Time Up to 216 Hours 16 GB card 2 4 GHz ZaxNet Receiver RF Frequency Range 2 403 to 2 475 GHz RF Modu...

Page 33: ... 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 it...

Page 34: ...prouvé pour l émetteur par Industrie Canada Dans le but de réduire les risques de brouillage radioélectrique à l intention des autres utilisateurs il faut choisir le type d antenne et son gain de sorte que la puissance isotrope rayonnée équivalente p i r e ne dépasse pas l intensité nécessaire à l établissement d une communication satisfaisante This radio transmitter contains the module PR6 XRT an...

Page 35: ...35 ...

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