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Zaxcom QRX235                                                                                                            IFB Option Menu 

19 

 

Remote Power Mode 

This menu is only available when IFB Mode is set to TX (transmit)

 

 

 

 

 

The remote power mode menu allows for the RF power setting of the transmitters to be adjusted. 

The transmitters have three selectable power settings: 

 

NORMAL

 - The transmitters are at full power. 

 

WAKE 

- If a transmitter is set to REMOTE STANDBY it will power up to a non-transmitting low power mode 

that will use approximately 25% of the power of normal operations. A wake command will bring that 

transmitter to full power. 

To use wake mode set the transmitters BOOT UP MODE to REMOTE STANDBY. Then when the transmitter 

powers up, it will remain in standby mode until it receives the wake command to bring it to full power. Once 

the transmitter is awoken the only way for it to go back into standby mode is by power cycling the 

transmitter.  

 

LOW 2

 - Low 2 disables the RF power amplifier, RF board and microphone pre-amp on the transmitter. In 

LOW 2 mode the transmitter will save approximately 50% of the power of normal operations. A transmitter 

can be put into or taken out of LOW 2 as often as desired when selected in this menu. 

Settings 

0: POWER=ON

 - Normal operation - the transmitter will be fully powered ON. 

1: POWER=ON

 - Normal operation (same as 0) filler to prevent accidental power setting adjustment. 

2: POWER=ON 

- Normal operation (same as 0) filler to prevent accidental power setting adjustment. 

3: POWER=ON 

- Normal operation (same as 0) filler to prevent accidental power setting adjustment. 

4: POWER=ON 

- Normal operation (same as 0) filler to prevent accidental power setting adjustment. 

5: POWER=WAKE

 - Selected to wake a transmitter to full power mode from remote standby mode. 

6: POWER=LOW2

 - Selected to put a transmitter into and out of low power mode. A transmitter can come 

in and out of LOW 2 mode as needed. When in LOW 2 mode “LOW 2” will be displayed on the transmitter’s 

home screen. Please note LOW 2 will not disable recording but audio will be muted since the preamp is 

disabled. Once the transmitter’s power is set to Low 2 the QRX235 can be powered down. Then when the 

QRX235 is powered up all transmitters being controlled will automatically come up to full power since the 

QRX235 will always boot up to the 0 Power setting. Please note if the transmitter is not in range of the 

ZaxNet signal, the power setting command will have to be repeated once the transmitter comes back into 

range. 

 

Time Code Set 

 

 

 

This menu allows the internal time code generator to be manually set.  

The 

>

 indicates the item that will be adjusted. To advance to the next field, press the A/B key. 

 

H (Hours) 

use the INC or DEC key to adjust the hours. 

 

M (Minutes)

 use the INC or DEC key to adjust the minutes.

 

 

JAM

 - Use the INC key to JAM QRX time code generator with the entered time.

 

Please note the seconds and frames fields will automatically be entered as zero (0). 

 

 

 

REMOTE POWERMODE    

 0: POWER = ON 

TC TIME ENTRY:   

>H00    M00   JAM 

Summary of Contents for QRX235

Page 1: ...1 User Manual Published December 2018 Firmware Version QR2 413 QIFB Version 1 60 QRX235 Your Sound Amplified...

Page 2: ...NG THE EXTENDED MENU 11 MODULATION SELECT 11 SINGLE DUAL MODE SELECT 11 AES OUTPUT ENABLE 12 OUTPUT ASSIGNMENT 12 IFB OUTPUT MIX 12 IFB ENABLE 12 TRANSMITTER REMOTE CONTROL ENABLE 13 SERIAL PORT 13 TI...

Page 3: ...ET 25 FIRMWARE 26 UPDATING THE QRX FIRMWARE USING A TRANSMITTER 26 UPDATING THE QRX IFB FIRMWARE USING A IFB100 200 27 UPDATING THE QRX IFB FIRMWARE USING A UHF TRANSMITTER 28 WIRING DIAGRAMS 29 AUDIO...

Page 4: ...the parameters of a menu item 5 Menu Key Press to advance to the next menu item 6 Receiver Status Indicators Green Receiver is receiving a valid signal Red Receiver is not getting a valid signal 7 A B...

Page 5: ...option This connector will input or output time code depending on how the cable is wired Please see the wiring diagram section of this manual 5 Serial Loop The USB style connectors on the back of the...

Page 6: ...channel one the group below is channel 2 the next group is channel 3 and the group on the bottom is channel 4 LED modulation colors When the signal hits 40 dBFS When the signal hits 20 dBFS When the...

Page 7: ...ttery symbol will start to blink just before transmitter shuts down Transmitter s record status S STOP The transmitter is stopped R REC The transmitter is recording P PLAY The transmitter is playing b...

Page 8: ...ill indicate the receiver being adjusted Transmitter Gain Adjust This menu is only available when transmitter remote control is set to ON in the extended menu The transmitter gain menu allows for the...

Page 9: ...oup to be independently controlled Unit codes can be any number from 1 to 200 Test Tone Output From the tone menu a 1K test tone can be enabled That tone will be outputted from the TA5 connectors This...

Page 10: ...s displayed on the bottom half of the screen and a graphic map of the RF that is found will be displayed with a vertical line extending up from the baseline The length of the line indicates the level...

Page 11: ...STEREO MONO XR ZHD 96 ZHD 48 Modulation Bandwidth 235 kHz 235 kHz 235 kHz 96 kHz 48 kHz Minimum Channel to Channel Spacing 400 kHz 400 kHz 400 kHz 235 kHz 100 kHz 6 MHz TV Channel Capacity 15 15 15 30...

Page 12: ...l be outputted on TA5 2 COMBINED SWAP The signal from each transmitter will be combined on a single TA5 connector IFB Output Mix The IFB output mix selects which receive audio channels will be broadca...

Page 13: ...serial port Time Code Source This menu is only available when the QIFB board is installed The time code source menu selects the source of external time code the QRX will use OFF The QRX235 will use a...

Page 14: ...rmal AES signal ON AB KEY This setting will send a special signal to the AES out when the A B key is pressed This will allow the Sony camera to recognize and lock to the AES signal from the QRX This i...

Page 15: ...eceiving a valid RF signal Once the audio is received the blue is replaced with the appropriate modulation color for that channel Encryption Code Set The encryption menu is where the encryption is tur...

Page 16: ...ng the MENU key will cycle through the 16 presets 0 through 15 To adjust each preset frequencies press the INC and DEC key To advance to the next preset press the MENU key To exit the preset menus bri...

Page 17: ...ol This menu displays the following information ZaxNet IFB frequency If the IFB is set to transmit TX The transport commands being sent to the transmitter IFB Audio Level Meter When the IFB is set to...

Page 18: ...h the QRX mix LEFT QRX Sums the left IFB audio input with the QRX mix L R QRX Sums both IFB audio inputs and the QRX mix L R QRX Sums the difference of the left and right IFB audio inputs plus the QRX...

Page 19: ...0 filler to prevent accidental power setting adjustment 3 POWER ON Normal operation same as 0 filler to prevent accidental power setting adjustment 4 POWER ON Normal operation same as 0 filler to prev...

Page 20: ...enu 20 Time Code Frame Rate Select The time code frame rate is set from this menu The QRX235 will lock to and transmit all standard time code frame rates 23 98 24 25 29 97DF 29 97DF 30 DF 30 NDF TIMEC...

Page 21: ...range is from 20dB to 12dB in 1 dB increments Output Trim Set When the QIFB is in receive mode the audio received over ZaxNet can be outputted via the 3 5 mm connector This menu adjusts the audio outp...

Page 22: ...e the group set to 1 on all products Group codes can be set from 1 to 99 IFB Voting Enable This menu is only available when the IFB MODE is set to receive RX IFB voting allows the QIFB to choose and s...

Page 23: ...to be manually entered in the QRX235 AUTO JAM The QRX235 will continuously jams time code via ZaxNet or from the UHF signal from the transmitter provided USE TC FROM TRX900 is set to ON in the extend...

Page 24: ...ely The adjustable range is from 5 to 400 MS in 5 MS increments ZaxNet Output Enable The QIFB time code output on the 3 5mm connector can contain ZaxNet commands to communicate to other Zaxcom product...

Page 25: ...he receiver has the matching encryption code entered When a receiver is getting an audio signal and the codes do not match all that will be heard is white noise or silence These two sets of numbers ar...

Page 26: ...he QRX receiver status LEDs should both be green From the extended menu go to the firmware update page and press the INC key The screen will display waiting for program This indicates the receiver is...

Page 27: ...RX PROGRAM FILE page in the extended menu Press the INC key The transmitter will indicate that it found the program on the card and has started sending it the IFB will continuously resend the program...

Page 28: ...ansmit From the set up menu advance to the SEND ERX PROGRAM FILE menu Press the INC key The display will indicate that it found the program on the card and has started sending it The TRX will continue...

Page 29: ...ght AES Digital out of TA5 The TA 5 connectors can also be used to output AES digital audio Each TA5 will output a stereo pair on pins 1 2 and 3 with pin 1 being ground When receiving audio from a mon...

Page 30: ...ector TC Connector TIP NO CONNECTION RING SIGNAL SLEEVE GROUND Time Code out of QRX 3 5 mm Connector TC Connector TIP SIGNAL RING NO CONNECTION SLEEVE GROUND IFB Audio Connector 3 5mm Same wiring is u...

Page 31: ...op Connector USB RS 485 These serial connectors allow for a connection between several QRXs This allows QRXs that do not have the IFB option to connect to a single QRX that does have the IFB option Th...

Page 32: ...Control and Time Code 2 403 to 2 475 GHz UHF Audio Block Frequency Range TV Channels 20 518 0 to 542 0 22 to 25 21 536 0 to 572 0 25 to 30 22 560 0 to 590 0 29 to 33 23 590 0 to 614 0 34 to 37 24 614...

Page 33: ...Zaxcom QRX235 Antenna Cutting Chart 33 Antenna Cutting Chart...

Page 34: ...Outputs Channels Up to 4 AES Reference Wordclock and AES reference Connector TA 5M Serial Control Protocol RS 422 RS 485 Connector x 2 USB IFB Transmitter Receiver optional Transmitter RF Power Output...

Page 35: ...pedance 10 k ohms Time code Reader Generator Clock Accuracy 1 54 PPM 1 frame out in 6 hours Time code Type SMPTE Time code Frame rates 23 98 24 25 29 97NDF 29 97DF 30NDF 30DF Physical Weight 6 0 oz 17...

Page 36: ...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 37: ...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 38: ...38...

Page 39: ...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...

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