User's Manual

Frequency-Agile UHF Belt-Pack Transmitter
Rio Rancho, NM 5
Table of Contents
General Technical Description ..............................................................................................................................................................6
Introduction ...........................................................................................................................................................................................6
Digital Hybrid Technology ..................................................................................................................................................................... 6
UM450 Block Diagram ..........................................................................................................................................................................6
No Pre-Emphasis/De-Emphasis ...........................................................................................................................................................7
Pilot Tone Squelch ................................................................................................................................................................................7
Input Limiter .......................................................................................................................................................................................... 7
Wide-Band Deviation ............................................................................................................................................................................7
Long Battery life ...................................................................................................................................................................................7
Frequency Agility ..................................................................................................................................................................................7
Antenna ................................................................................................................................................................................................7
Controls and Functions .........................................................................................................................................................................8
Input Jack ............................................................................................................................................................................................. 8
Power ON/OFF Switch .........................................................................................................................................................................8
Power On LED ......................................................................................................................................................................................8
Audio Level Control .............................................................................................................................................................................. 8
Audio Level ........................................................................................................................................................................................... 8
Modulation LEDs ..................................................................................................................................................................................9
Antenna ................................................................................................................................................................................................9
Frequency Select Switches ..................................................................................................................................................................9
Adjustable Low Frequency Roll-Off ......................................................................................................................................................9
Belt Clip ................................................................................................................................................................................................9
Battery Installation ............................................................................................................................................................................... 10
Operating Instructions ........................................................................................................................................................................ 10
Selecting the Compatibility Mode .......................................................................................................................................................10
Attaching a Microphone and Adjusting Gain ......................................................................................................................................11
Operating Notes .................................................................................................................................................................................11
Adjusting the Transmitter Frequency .................................................................................................................................................. 11
Microphone Cord Termination ............................................................................................................................................................12
TA5F Connector Assembly .................................................................................................................................................................12
Mic Cord Stripping Instructions .......................................................................................................................................................... 12
5-Pin Input Jack Wiring ........................................................................................................................................................................ 13
Input Jack Wiring Diagram.................................................................................................................................................................. 13
RF Bypassing ..................................................................................................................................................................................... 13
Line Level Signals .............................................................................................................................................................................. 14
Wiring Hookups for Different Sources ............................................................................................................................................... 15
Replacement Parts and Accessories ................................................................................................................................................. 16
UHF Transmitter Antenna Specifications ............................................................................................................................................16
Troubleshooting ...................................................................................................................................................................................17
Specifications and Features ............................................................................................................................................................... 18
Service and Repair ...............................................................................................................................................................................19
Returning Units for Repair ..................................................................................................................................................................19