Lectrosonics LMB Manual

Lectrosonics Mikrofon LMB

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LMb

Synthesized UHF Belt-Pack Transmitter

Featuring

Digital Hybrid Wireless®

Technology

US Patent 7,225,135

INSTRUCTION MANUAL

Rio Rancho, NM, USA

www.lectrosonics.com

Fill in for your records:

Serial Number:

Purchase Date:

Quick Start Steps

1) Install good batteries and turn power on (see pages

5 and 6).

2) Set compatibility mode to match the receiver (see

page 9).

3) Connect signal source and adjust input gain for

optimum modulation level (see page 9).

4) Set StepSize and frequency to match receiver (see

page 10). Also see receiver manual for scanning

procedure.

5) Turn on the receiver and verify RF and audio sig-

nals are present (see receiver manual).

LMb

LECTROSONICS, INC.

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 ....................................................................................................................................................................................

Speciﬁcations and Features 18 ................................................................................................................................................................

Service and Repair 19 ...............................................................................................................................................................................

Returning Units for Repair 19 ..................................................................................................................................................................