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User Manual
Published August 2014
Software QRX Version 3.45
QIFB Version 1.56
QRX235
Your Sound Amplified
1

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Summary of Contents for Zaxcom QRX235

  • Page 1 User Manual Published August 2014 Software QRX Version 3.45 QIFB Version 1.56 QRX235 Your Sound Amplified...
  • Page 2: Table Of Contents

    KNOWING YOUR QRX235 RECEIVER ......................4 HOME SCREEN EXPLAINED ..........................7 MAIN MENU ..............................9 ............................. 9 AVIGATING THE ............................9 XITING THE ..............................9 REQUENCY ELECT ............................9 RANSMITTER DJUST ................................ 10 ............................. 10 ECEIVE IGNAL ELECT ..............................11 UTPUT ..............................
  • Page 3 EMOTE ONTROL AND UHF A ................................30 UDIO ANTENNA CUTTING CHART........................... 31 FIRMWARE ..............................32 ................... 33 PDATING THE SOFTWARE USING A TRANSMITTER SPECIFICATIONS ............................36 PRODUCT SUPPORT ..................ERROR! BOOKMARK NOT DEFINED. ZAXCOM WARRANTY POLICY AND LIMITATIONS ................... 39...
  • Page 4: Knowing Your Qrx235 Receiver

    Zaxcom QRX235 Rear Knowing Your QRX235 Receiver Front 1. LCD Display 2. INC Key - Used to increase the parameters of a menu item. 3. UHF Antenna Connectors (2) - SMA connectors. 4. Dec Key - Used to decrease the parameters of a menu item.
  • Page 5 Zaxcom QRX235 Rear Rear 1. IFB Audio - (available with the QIFB option) 3.5mm TRS. This connector will accept external audio for IFB transmission when the QIFB is in transmit mode. • This connector will output ZaxNet audio when the QIFB is in receive mode.
  • Page 6 Zaxcom QRX235 Side Side Channel 1 Group ZaxNet Antenna SMA Channel 2 Group Side Mounted LEDs - The LEDs give you visual indication if RF and / or audio is being received by the QRX. The LED settings are adjusted in the extended menu. There are three LEDs per group. There is Channel 3 Group one group for each channel.
  • Page 7: Home Screen Explained

    Zaxcom QRX235 Home Screen Home Screen Explained Single Mode Dual Mode Receiver Indicates the receiver A – Left receiver B – Right receiver Audio level The audio level indicator (one for each channel), extends from the left to the right. The vertical bar to the right is the -20dBFS mark.
  • Page 8 Zaxcom QRX235 Home Screen Antenna is being used Indicates the signal is being received by ANTENNA 1 (left antenna connector) Indicates the signal is being received by ANTENNA 2 (right antenna connector) RF signal strength A staircase pattern with the lowest step (low signal strength) on the left and building up as it...
  • Page 9: Main Menu

    Zaxcom QRX235 Main Menu Main Menu Navigating the Main Menu • To enter the main menu press the MENU button. • 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.
  • Page 10: Unit Code Set

    Zaxcom QRX235 Main Menu Unit Code Set This menu is only available when Transmitter Remote Control is set to “ON” in the Extended Menu. RXA> UNIT: NONE RXA UNIT: NONE RXB UNIT: NONE Single Receiver Mode Dual Receiver Mode The unit code menu tells the QRX which TRX transmitter to control. The unit code as a way to assign each transmitter an individual number of your choice to be controlled by.
  • Page 11: Test Tone Output

    Zaxcom QRX235 Main Menu Test Tone Output The test tone menu allows you output tone from the QRX’s TA5 outputs to set levels and check routing. Pressing the INC and DEC key will cycle through the different tone settings. OFF - No tone is being sent.
  • Page 12: Selecting The Frequency

    Zaxcom QRX235 Main Menu Selecting the frequency When the scan is complete QRX will draw a vertical blinking line on the display to indicate where the first suggestion occurs in the scan and displays the frequency number below the graphic.
  • Page 13: Extended Menu

    • DUAL - This configures the QRX to operate as two independent receivers. In dual mode the QRX can receive two audio channels from two Zaxcom mono transmitters, three audio channels from one stereo and one mono transmitter, or four audio channels from two stereo transmitters.
  • Page 14: Ifb Output Mix

    • ON - The QRX will use and output the time code received from the TRX transmitter. The time code is embedded the UHF signal. This will be helpful if you were sending audio and time code to a camera from the Zaxcom TRX900CL camera link.
  • Page 15: Analog Output Routing

    Zaxcom QRX 235 Extended Menu Analog Output Routing This menu is only available when the QRX is set to single receive mode. The LEFT output will be on TA5 OUTPUT ROUTING: connector 1 and the RIGHT output C1 = L C2 = R...
  • Page 16: Receive Signal Select

    Zaxcom QRX 235 Extended Menu RXA >FMT MONO-XR Receive Signal Select RXA FMT MONO-XR RXB FMT STEREO Single Receiver Mode Dual Receiver Mode This menu is where the QRX’s modulation mode is selected. The modulation is simply the way a transmitter “modulates”, or sends, its signal to the QRX This mode setting needs to match the...
  • Page 17: Blue Led Meter Mode

    Zaxcom QRX 235 Extended Menu Blue LED Meter Mode LED METER MODE: This menu sets the action of the bottom LED in each group (total of 4 groups). The side mount LEDs were designed to give you a visual confirmation that audio is being received at the QRX.
  • Page 18: Ifb Option Menu

    Zaxcom QRX 235 IFB Menu IFB Option Menu Only available if the QIFB option board is installed Navigating the IFB Option Menu • Press and hold the DEC key when in the home screen to display the extended menu. • Press the DEC key to advance to the IFB option menu.
  • Page 19: Ifb Input Mix Assign

    Zaxcom QRX 235 IFB Menu IFB Input Mix Assign IFB INPUT MIX: QRX ONLY This menu sets what audio will be broadcast via ZaxNet back to you for confidence monitoring and to ERX receivers. You can choose to broadcast the UHF audio that the QRX receives, audio that is inputted via the IFB audio in connector, or any combination on the two.
  • Page 20: Time Code Set

    Zaxcom QRX 235 IFB Menu Settings: • 0: POWER=ON – Normal operation - the TRX 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.
  • Page 21: Ifb Extended Menu

    Zaxcom QRX235 Extended Menu IFB Extended Menu Navigating the IFB Extended Menu From the IFB option home screen press and hold the DEC key to display the IFB extended menu. • Press the MENU key to get into the IFB extended menu •...
  • Page 22: Ifb Mode Set

    Zaxcom QRX235 Extended Menu IFB Mode Set IFB MODE: This menu switches if the ZaxNet IFB on the QRX will be transmitting (TX) or receiving (RX). Once you have changed this parameter, you will need to cycle power to initialize the IFB board.
  • Page 23: Updating The Ifb Software

    Zaxcom QRX235 Extended Menu Updating the IFB Software This menu is only available when the IFB MODE is set to is to (RX) Receive mode PRESS UP 5X TO UPDATE IFB SOFT This allows you to update the QIFB software. See the firmware section of this manual for additional...
  • Page 24: Time Code Delay Set

    This menu is where you toggle if the QRX will embed and output ZaxNet commands in the user bits of its time code output. This should be set to OFF most of the time since most non Zaxcom devices cannot decipher ZaxNet commands via time code.
  • Page 25: Send Record Commands

    Zaxcom QRX235 Extended Menu Send Record Commands ALWAYS SEND REC COMMANDS: OFF This menu is where you set if the QIFB will send record commands to the transmitter. If this is set to ON you will be able to start / stop the TRX recording feature via the QIFB.
  • Page 26: Wiring Diagrams

    Zaxcom QRX235 Wiring Diagrams Wiring Diagrams Audio Output Connectors There are two TA-5M connectors on the back panel. How they are used varies based on the output configuration in the extended menu. Single Analog Channel out of one TA5 TA5 out on...
  • Page 27: Aes Digital Out Of Ta5

    Zaxcom QRX235 Wiring Diagrams AES Digital out of TA5 The TA-5 connectors can be used to output AES digital audio. Each TA5 will output a stereo pair on connectors 1, 2 and 3 with pin 1 being ground. If you are receiving audio from a mono transmitter the QRX will output the same audio on both pairs on the TA5.
  • Page 28: Time Code Connector - 3.5Mm

    Zaxcom QRX235 Wiring Diagrams Time Code Connector - 3.5mm Time Code in to QRX 3.5 mm Connector TC Connector NO CONNECTION RING SIGNAL SLEEVE GROUND Time Code out of QRX 3.5 mm Connector TC Connector SIGNAL RING NO CONNECTION SLEEVE GROUND IFB Audio Connector - 3.5mm...
  • Page 29: Serial Loop Connector - Usb (Rs-485)

    Zaxcom QRX235 Wiring Diagrams Serial Loop Connector - USB (RS-485) These connectors allow a serial 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.
  • Page 30: Operating Frequencies

    Zaxcom QRX235 Operating Frequencies Operating Frequencies ZaxNet Remote Control and Time Code 2.403 to 2.475 GHz UHF Audio Frequency Block Range Channels 518.0 to 542.0 22 to 25 536.0 to 572.0 25 to 30 560.0 to 590.0 29 to 33 590.0 to 614.0...
  • Page 31: Antenna Cutting Chart

    Zaxcom QRX235 Antenna Cutting Chart Antenna Cutting Chart...
  • Page 32: Firmware

    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. As newer firmware becomes available, it can be downloaded from the Zaxcom website http://www.zaxcom.com/software-updates...
  • Page 33: Updating The Qrx Software Using Atrx Transmitter

    Zaxcom QRX 235 Firmware Update Updating the QRX software using a TRX transmitter Format a micro SD card in a TRX transmitter. 2. With a computer take the formatted card and perform the following: Delete the “DELETE.ME” file from the card.
  • Page 34 Zaxcom QRX 235 Firmware Update Upgrading the QRX IFB Firmware (using a IFB100/200) 1. Format a micro SD in the IFB transmitter. 2. With a computer take the formatted card and perform the following: • Delete the “DELETE.ME” file on the card.
  • Page 35 Zaxcom QRX235 Firmware Update Upgrading the QRX IFB Firmware using a TRX Transmitter 1. Format a micro SD card in the TRX transmitter. 2. With a computer take the formatted card and perform the following: • Delete the “DELETE.ME” file on the card.
  • Page 36: Specifications

    Zaxcom QRX235 Specifications Specifications Receiver Receiver Type: True / antenna diversity (mono or stereo) RF Modulation: Proprietary digital method RF Frequency Range: 518.0 to 692.0 MHz RF Frequency Step: 100 KHz RF Bandwidth: US Mode: 200 KHz European Mode: 125 KHz...
  • Page 37 Zaxcom QRX235 Specifications IFB Audio ADC Bit-depth: 24 bit ADC Rate: 48 kHz Dynamic range: 103 dB Distortion: 0.01% Frequency Response: 20 Hz to 12 kHz System Group Delay: 10 ms IFB Audio Input/Output Connector: 1/8” Stereo (3.5 mm) Type:...
  • Page 38: Product Support

    (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. Zaxcom Digital Wireless is protected under patent #’s: 7,711,443 & 7,929,902...
  • Page 39: Zaxcom Warranty Policy And Limitations

    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.

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