User's Manual
LMb
LECTROSONICS, INC.
2
Table of Contents
Quick Start Steps .................................................................................................................................................................................. 1
Introduction ............................................................................................................................................................................................. 3
About Digital Hybrid Wireless ...............................................................................................................................................................3
Frequency Agility...................................................................................................................................................................................3
Servo Bias Input and Wiring .................................................................................................................................................................3
DSP-controlled Input Limiter .................................................................................................................................................................3
LMb Block Diagram ............................................................................................................................................................................... 4
No Pre-Emphasis/De-Emphasis ...........................................................................................................................................................4
Pilot Tone Squelch ................................................................................................................................................................................4
Battery Installation .................................................................................................................................................................................5
Belt Clips .................................................................................................................................................................................................5
Operating Instructions ...........................................................................................................................................................................6
Battery Status LED Indicators ............................................................................................................................................................... 6
Powering On in Operating Mode ........................................................................................................................................................... 6
Powering On in Standby Mode .............................................................................................................................................................7
Powering Off .........................................................................................................................................................................................7
Navigating Menus .................................................................................................................................................................................7
Locking/Unlocking Changes to Settings................................................................................................................................................7
Power Menu ..........................................................................................................................................................................................7
Selecting Programmable Switch Functions...........................................................................................................................................8
Main Window Indicators ........................................................................................................................................................................8
Selecting the Compatibility (Compat) Mode ..........................................................................................................................................9
Connecting the Signal Source ..............................................................................................................................................................9
Adjusting the Input Gain ........................................................................................................................................................................9
Selecting Step Size ............................................................................................................................................................................... 9
Selecting Frequency ...........................................................................................................................................................................10
Selecting Frequency Using Two Buttons ............................................................................................................................................. 10
Helpful Features on Receivers ............................................................................................................................................................ 10
About Overlapping Frequency Bands .................................................................................................................................................10
Selecting Audio Polarity (Phase) .........................................................................................................................................................11
Adjusting LCD Backlight .....................................................................................................................................................................11
RF ON/OFF on the Menu ....................................................................................................................................................................11
Selecting Battery Type ........................................................................................................................................................................11
Restoring Default Settings ..................................................................................................................................................................11
IR (infrared) Sync ................................................................................................................................................................................ 11
5-Pin Input Jack Wiring ........................................................................................................................................................................12
Microphone Cable Terminationfor Non-Lectrosonics Microphones ................................................................................................ 13
Input Jack Wiring for Different Sources .............................................................................................................................................14
Microphone RF Bypassing .................................................................................................................................................................. 15
Line Level Signals ...............................................................................................................................................................................15
Wiring Diagram for MI39A Instrument Cable ......................................................................................................................................15
Accessories ..........................................................................................................................................................................................16
Troubleshooting ....................................................................................................................................................................................17
Speciļ¬cations and Features ................................................................................................................................................................ 18
Service and Repair ...............................................................................................................................................................................19
Returning Units for Repair ..................................................................................................................................................................19