Table of Contents
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Table of Contents
General Technical Description ..............................................................................................................................................................4
Introduction ...........................................................................................................................................................................................4
UM450 Block Diagram ..........................................................................................................................................................................4
No Pre-Emphasis/De-Emphasis ...........................................................................................................................................................5
Pilot Tone Squelch ................................................................................................................................................................................5
Input Limiter ..........................................................................................................................................................................................5
Wide-Band Deviation ............................................................................................................................................................................5
Batteries, Battery Life and External Power ...........................................................................................................................................5
Frequency Selection .............................................................................................................................................................................5
Antenna .................................................................................................................................................................................................5
Controls and Functions .........................................................................................................................................................................6
Input Jack ..............................................................................................................................................................................................6
Power ON/OFF Switch ..........................................................................................................................................................................6
Power On LED ......................................................................................................................................................................................6
Audio Level Control ...............................................................................................................................................................................6
Modulation LEDs ...................................................................................................................................................................................7
Antenna .................................................................................................................................................................................................7
Frequency Select Switches ...................................................................................................................................................................7
Adjustable Low Frequency Roll-Off .......................................................................................................................................................7
Belt Clip .................................................................................................................................................................................................7
Battery Installation .................................................................................................................................................................................8
Operating Instructions ...........................................................................................................................................................................8
Selecting the Compatibility Mode ..........................................................................................................................................................8
Attaching a Microphone and Adjusting Gain .........................................................................................................................................9
Operating Notes ....................................................................................................................................................................................9
Adjusting the Transmitter Frequency .....................................................................................................................................................9
5-Pin Input Jack Wiring ........................................................................................................................................................................10
Microphone Cord Termination .............................................................................................................................................................11
TA5F Connector Assembly .................................................................................................................................................................11
Mic Cord Stripping Instructions ...........................................................................................................................................................11
Microphone RF Bypassing ..................................................................................................................................................................12
Line Level Signals ...................................................................................................................................................................................
Wiring Hookups for Different Sources ...............................................................................................................................................13
Works with Servo Inputs Only: ............................................................................................................................................................13
Compatible with Servo Inputs and other Lectrosonics Transmitters: ...................................................................................................13
Replacement Parts and Accessories ..................................................................................................................................................14
UHF Transmitter Antenna Specifications ............................................................................................................................................14
Troubleshooting ....................................................................................................................................................................................15
Specifications and Features ................................................................................................................................................................17
Service and Repair ...............................................................................................................................................................................18
Returning Units for Repair ..................................................................................................................................................................18
© Copyright 2007 Lectrosonics. Inc
Rio Rancho, NM
.......................................................................................................................................................................................... 4
Frequency Synthesized UHF Belt-Pack Transmitter
3
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Table of Contents
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