Lectrosonics LM User Manual
Page 3
Frequency-Agile UHF Belt-Pack Transmitter
Table of Contents
Introduction ............................................................................................................................................................................................ 4
Digital Hybrid Technology ..................................................................................................................................................................... 4
Input Limiter .......................................................................................................................................................................................... 5
No Pre-Emphasis/De-Emphasis ........................................................................................................................................................... 5
Pilot Tone Squelch ................................................................................................................................................................................ 5
Wide-Band Deviation ............................................................................................................................................................................ 5
Long Battery Life .................................................................................................................................................................................. 5
Frequency Agility .................................................................................................................................................................................. 5
Antenna ................................................................................................................................................................................................ 5
Controls and Functions ......................................................................................................................................................................... 6
Mic Input Jack ....................................................................................................................................................................................... 6
Power ON/OFF Switch ......................................................................................................................................................................... 6
Power LED ............................................................................................................................................................................................ 6
Frequency Select Switches .................................................................................................................................................................. 6
Modulation LEDs .................................................................................................................................................................................. 6
Audio Level ........................................................................................................................................................................................... 6
Antenna ................................................................................................................................................................................................ 6
Belt Clip ................................................................................................................................................................................................ 6
Battery Installation ................................................................................................................................................................................. 7
Operating Instructions .......................................................................................................................................................................... 8
Selecting Compatibility Mode ............................................................................................................................................................... 8
Attaching a Microphone or Musical Instrument and Adjusting Audio Levels ........................................................................................ 8
Adjusting the Transmitter Frequency .................................................................................................................................................... 9
5-Pin Input Jack Wiring ........................................................................................................................................................................ 10
RF Bypassing ..................................................................................................................................................................................... 10
Line Level Signals .............................................................................................................................................................................. 11
Wiring Hookups for Different Sources ................................................................................................................................................ 11
Wiring Diagram for MI33A Instrument Cable ...................................................................................................................................... 11
Troubleshooting ................................................................................................................................................................................... 12
Specifications and Features ............................................................................................................................................................... 13
Service and Repair ............................................................................................................................................................................. 14
Returning Units for Repair .................................................................................................................................................................. 14
The LM and IM transmitters are FCC type accepted under Part 74: 536-608 MHz and 614-806 MHz
Rio Rancho, NM
3