Frequency Synthesized UHF Belt-Pack Transmitter
Rio Rancho, NM
3
© Copyright 2008 Lectrosonics. Inc
Table of Contents
General Technical Description ..............................................................................................................................................................4
Introduction ...........................................................................................................................................................................................4
Digital Hybrid Technology......................................................................................................................................................................4
UM400a Block Diagram ........................................................................................................................................................................4
No Pre-Emphasis/De-Emphasis ...........................................................................................................................................................5
Pilot Tone Squelch ................................................................................................................................................................................5
Input Limiter ..........................................................................................................................................................................................5
Wide-Band Deviation ............................................................................................................................................................................5
Frequency Selection .............................................................................................................................................................................5
Controls and Functions .........................................................................................................................................................................6
Input Jack ..............................................................................................................................................................................................6
Power ON/OFF Switch ..........................................................................................................................................................................6
Power On LED ......................................................................................................................................................................................6
Frequency Select Switches ...................................................................................................................................................................6
Audio Level Control ...............................................................................................................................................................................7
Modulation LEDs ...................................................................................................................................................................................7
Antenna .................................................................................................................................................................................................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 Cable Terminationfor Non-Lectrosonics Microphones ................................................................................................11
TA5F Connector Assembly .................................................................................................................................................................11
Mic Cord Stripping Instructions ...........................................................................................................................................................11
Crimping to Shield and Insulation .......................................................................................................................................................11
Microphone RF Bypassing ..................................................................................................................................................................12
Line Level Signals ...............................................................................................................................................................................12
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
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