User’s Guide 500UDR • 51BT • 51HT • 51XT ENHANCED PERFORMANCE UHF WIRELESS RECEIVER and TRANSMITTERS Azden Corporation, P.O. Box 10, 147 New Hyde Park Road, Franklin Square, NY 11010 vox - 516.328.7500 • fax - 516.328.7506 • email - azdenus@azdencorp.
SPECIFICATIONS 2 11 1 8 12 3 13 5 500UDR Receiver: 51BT Transmitter: RF Carrier Frequency Range: 793.750 - 805.875 MHz MicroComputer Controlled PLL Synth. Effective Operating Range: 200 ~ 300 ft - 60 ~ 100m ± 3dB) Frequency Response: 50Hz - 15kHz (± μV RF Sensitivity: (12dB SINAD)1.5μ ± 250kHz) Adjacent Channel Selectivity: >70dB (± Image Rejection: > 90dB IF Rejection: > 90dB Audio THD: <0.8% Audio Output: -18dBm (600 Ω, ± 5kHz Dev.
51BT with Lavaliere or Headset: With someone talking into the microphone, turn the volume on the mixer or amplifier to the desired level. If there is too much, or not enough gain, lower or raise the volume on the receiver. If the sound is distorted, lower the input gain on the transmitter. 51BT with Instrument cable for electric guitars or basses (MP-1H): Plug the cable into the guitar or bass. Set the instrument volume to the midway point.
TABLE OF CONTENTS EXPLODED VIEW of 500UDR ................................................................................................ i INTRODUCTION ...................................................................................................................... ii RECEIVER SETUP .................................................................................................................. 1 Powering the receiver with batteries ...................................................................
RECEIVER SETUP A. Powering the Receiver: The 500UDR can be powered either by using internal batteries (#9) or from the “DC IN” connector (#2). To use internal batteries: 1. Remove the battery door (#10) by pressing in and down on the clip (#10A) until the door is completely free of the unit. 2. Install 6 fresh/new Alkaline “AA” batteries following the polarity markings on the holder. DO NOT USE RECHARGEABLE BATTERIES! 3. Replace the battery door (#10).
3 4 5 6 1 2 The 51BT body-pack transmitter has 63 user selectable UHF frequencies and is ideal for lavaliere and headset microphones. The optional MP-1H instrument cable allows the 51BT to work with electric guitars and basses. (1) Open the battery compartment lid by sliding it down and raising it. (2) Insert one fresh alkaline 9-volt battery into the compartment. Make sure battery polarity is correct.
INDICATORS AND CONTROLS Transmitter Descriptions: 51HT Handheld microphone transmitter with 63 on-board user selectable UHF frequencies. Ideal for all vocal applications. (1) To install batteries, turn the bottom half of the mic case counter-clockwise until it is completely off. (2) Insert two fresh alkaline “AA” batteries into the compartment. Make sure battery polarity is correct.
500UDR TROUBLESHOOTING The single most important thing to ALWAYS check when trouble arrises are the batteries. Make sure they are fresh and the POWER LED is glowing brightly. Example: Operating 3 systems at the same time Receiver Transmitter System #1 Group Channel 2 4 2 4 System #2 Group Channel 2 5 2 5 System #3 Group Channel 2 6 2 6 NOTE: To change the group/channel combination frequency of a receiver and transmitter that are already ON, BOTH THE TRANSMITTER AND RECEIVER MUST BE TURNED OFF.
