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Shure QLXD2 Service Manual
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HAND HELD TRANSMITTER

PRODUCT DESCRIPTION

General Product Description
QLXD Wireless is a digital wireless microphone system. The system comprises a bodypack transmitter (QLXD1), a handheld
microphone transmitter (QLXD2) and a single channel receiver (QLXD4). The system operates in the UHF TV band (470 to
937.5 MHz). QLXD Wireless is intended for use in mid-tier presentation, installed, and performance markets.
FEATURES
Notable QLXD1 design features include:
Fast transmitter power on: <1 sec
Segmented LCD interface
Infrared sync with firmware update capabilities
Thread locking TA4 audio connector
High dynamic range "Gain Ranging" audio input
Highly transparent, "compander-free", low latency, digital audio
256-bit AES Encryption
Operates on 2 AA size batteries or the SB900 rechargeable Li-ion battery pack.
Long Battery life: >10 h with SB900 at 10mW
Wide tuning range (64 MHz at 500MHz)
Selectable output power: 1mW, 10mW
Removable antenna
Charge contacts allow charging SB900 without removal
Metal construction
Figure 1. QLXD2 Hand Held Transmitter
Service Manual
QLXD2
25A1164

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Summary of Contents for Shure QLXD2

  • Page 1: Product Description

    QLXD Wireless is a digital wireless microphone system. The system comprises a bodypack transmitter (QLXD1), a handheld microphone transmitter (QLXD2) and a single channel receiver (QLXD4). The system operates in the UHF TV band (470 to 937.5 MHz). QLXD Wireless is intended for use in mid-tier presentation, installed, and performance markets.
  • Page 2 The transmitter is built in eight board groups (A-J) which are set in software to behave as a specific band for sale. The transmitter may be reprogrammed to a different band without retuning on a test fixture. Group A: 470- Group B: 534- H50,H51,H52,H53 Group C: 572-...
  • Page 3: Quick Start

    • AA Batteries: Place batteries (note polarity markings) and AA Adaptor as shown the cover on the handheld as shown to access the • Shure SB900 Battery: Place battery as shown (note polarity markings), remove AA battery compartment. Adaptor from bodypack transmitter, stow AA Adaptor in door for handheld transmitter Step 4: IR Sync to Create an Audio Channel 3.