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USER MANUAL

Published August 2022

Firmware Version THD-218

TRX745

A Plug-On Like No Other

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Summary of Contents for TRX745

Page 1: ...1 USER MANUAL Published August 2022 Firmware Version THD 218 TRX745 A Plug On Like No Other...

Page 2: ...AUTO FRAME RATE ENABLE 11 TRANSMIT MENU 12 UHF TRANSMITTER POWER LEVEL SET 12 UHF TRANSMIT MODULATION SET 12 POWER ROLL MODE 12 TRANSMITTER DISABLE RECORD ONLY MODE 13 RECORD MENU 14 SD CARD FORMAT 14...

Page 3: ...PAGE 24 HIDE ENCRYPTION MENU 24 ENCRYPTION CODE SET 24 HIDE TRANSMITTER NAME MENU 25 TRANSMITTER NAME SET 25 RECORDING FORMAT 26 FIRMWARE 27 UPDATING THE TRX745 FIRMWARE 27 UPDATING ERX FIRMWARE WITH...

Page 4: ...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 u...

Page 5: ...5 1 Interchangeable Input Cone 2 Power Switch 3 Media Slot 4 Battery Compartment TRX745 uses 3 AA batteries Alkaline Lithium or NiMH batteries can be used 1 4 2 3...

Page 6: ...wo screw holes on the cone with the holes on the base 2 Slide the cone onto the transmitter base 3 Push the cone firmly in place so that the multi pin connector engages 4 Firmly tighten the two screws...

Page 7: ...h 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...

Page 8: ...will begin After 5 seconds the transmitter will lock and the display will indicated that it is LOCKED If this screen is exited before the 5 seconds are up the transmitter will not lock To lock the tra...

Page 9: ...cessing 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...

Page 10: ...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...

Page 11: ...e code to another device Auto Frame Rate Enable When turned ON the TRX745 will automatically set its frame rate to the frame rate that is being transmitted from the ZaxNet transmitter that is feeding...

Page 12: ...0 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 Tra...

Page 13: ...e Will set the TRX745 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 TRX745 t...

Page 14: ...no 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 form...

Page 15: ...will 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 L...

Page 16: ...frequency is the frequency that the TRX745 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 Z...

Page 17: ...RX745 is assigned a unit code The unit code is a unique number used to identify each TRX745 within a particular group This allows individual transmitters within the same group to be independently cont...

Page 18: ...eiver will only receive 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...

Page 19: ...hes 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 TRX745 is set to transmit TX mode When the record beep is se...

Page 20: ...er 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...

Page 21: ...s 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...

Page 22: ...smitter 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 STA...

Page 23: ...axNet or if the 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...

Page 24: ...de Set If an encryption code is set 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...

Page 25: ...ch is the unit s serial number The name entered becomes part of the name of the recorded audio files and is also included in the metadata of the BWF file Naming the unit aids in identifying the files...

Page 26: ...ormatted in a 3 series transmitter 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 wi...

Page 27: ...ds 8 Upon completion cycle the power and confirm that the transmitter is running the new firmware WARNING Before updating the firmware be sure to insert a fresh set of batteries and do not power down...

Page 28: ...l 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 t...

Page 29: ...Zaxcom TRX745 Wiring Diagrams 29 Inputting Audio Balanced Audio Stereo Input Time Code In...

Page 30: ...Zaxcom TRX745 Antenna Cutting Chart 30...

Page 31: ...tes 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 w...

Page 32: ...Phantom 10 mA max Digital Mic Power 10 V AES42 compatible 200 mA max Mic impedance 4 7 k ADC Bit Depth 24 Bits Audio Interfaces Balanced analog mono balanced stereo AES42 AES Time code Reader Generat...

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...

Page 34: ...eur approuv pour l metteur par Industrie Canada Dans le but de r duire les risques de brouillage radio lectrique l intention des autres utilisateurs il faut choisir le type d antenne et son gain de so...

Page 35: ...35...

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