User's Manual
LM/IM
LECTROSONICS, INC.
2
Table of Contents
Introduction .............................................................................................................................................................................................4
Digital Hybrid Technology .................................................................................................................................................................4
Frequency Agility ...............................................................................................................................................................................4
Wide-Band Deviation .........................................................................................................................................................................4
Long Battery Life ...............................................................................................................................................................................4
Servo Input ........................................................................................................................................................................................5
Input Limiter .......................................................................................................................................................................................5
No Pre-Emphasis/De-Emphasis ........................................................................................................................................................5
Pilot Tone Squelch .............................................................................................................................................................................5
Antenna .............................................................................................................................................................................................5
LMa Block Diagram ...........................................................................................................................................................................5
Controls and Functions
.........................................................................................................................................................................6
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 the 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
Microphone RF Bypassing ..............................................................................................................................................................10
Line Level Signals ...........................................................................................................................................................................10
Wiring Hookups for Different Sources
...............................................................................................................................................11
Works with Servo Input Only: ..........................................................................................................................................................11
Compatible with SM Series and other Lectrosonics Transmitters: ...................................................................................................11
Wiring Diagram for MI33A Instrument Cable ...................................................................................................................................12
Troubleshooting ....................................................................................................................................................................................13
Speciļ¬cations and Features
................................................................................................................................................................14
Service and Repair
...............................................................................................................................................................................15
Returning Units for Repair ...............................................................................................................................................................15