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Lectrosonics mikrofon LT

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INSTRUCTION MANUAL

Rio Rancho, NM, USA

www.lectrosonics.com

Fill in for your records:

Serial Number:

Purchase Date:

Synthesized UHF Belt-Pack Transmitter

Featuring

Digital Hybrid Wireless®

Technology

US Patent 7,225,135

Quick Start Steps

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

6 - 8).

2) Set the compatibility mode to match the receiver

(see page 11).

3) Connect the signal source and adjust input gain for

optimum modulation level (see pages 11 and 12).

4) Set Step Size and frequency to match receiver

(see page 12). Also see receiver manual for scan-

ning procedure to ﬁnd a clear operating frequency.

5) Turn on the receiver and verify that solid RF and

audio signals are present (see receiver manual).

LECTROSONICS, INC.

Digital Hybrid Wireless Belt-Pack Transmitter

Rio Rancho, NM 3

Table of Contents

Quick Start Steps 1 ..................................................................................................................................................................................

Introduction 4 .............................................................................................................................................................................................

About Digital Hybrid Wireless® 4 .................................................................................................................................................................................................................................................................................

Frequency Agility...................................................................................................................................................................................4

Wide-Band Deviation 4 ............................................................................................................................................................................

Servo Bias Input and Wiring 4 .................................................................................................................................................................

DSP-controlled Input Limiter 5 .................................................................................................................................................................

No Pre-Emphasis/De-Emphasis 5 ...........................................................................................................................................................

Pilot Tone Squelch ................................................................................................................................................................................5

LT Block Diagram 5 ..................................................................................................................................................................................

Battery Installation 6 .................................................................................................................................................................................

Belt Clips 6 .................................................................................................................................................................................................

IR (infrared) Sync 6 ....................................................................................................................................................................................

Operating Instructions 7 ...........................................................................................................................................................................

Battery Status LED Indicator 7 ................................................................................................................................................................

Powering On in Operating Mode 7 ...........................................................................................................................................................

Powering On in Standby Mode 8 .............................................................................................................................................................

Powering Off 8 .........................................................................................................................................................................................

Entering the Main Menu 8 ........................................................................................................................................................................

Entering the Power Menu 8 ......................................................................................................................................................................

RF ON/OFF on the Main and Power Menus 8 .........................................................................................................................................

LCD Menu Map 9 ........................................................................................................................................................................................

Power Menu Options 9 ..............................................................................................................................................................................

Main Menu and Setup Screen Details 10 .................................................................................................................................................

Locking/Unlocking Changes to Settings..............................................................................................................................................10

Selecting Programmable Switch Functions.........................................................................................................................................10

Main Window Indicators ......................................................................................................................................................................10

Selecting the Compatibility (Compat) Mode 11 ........................................................................................................................................

Connecting the Signal Source 11 ............................................................................................................................................................

Using Line Level and Instrument Inputs 11 .............................................................................................................................................

Selecting the Low Frequency Roll-off 11 .................................................................................................................................................

Adjusting the Input Gain 12 ......................................................................................................................................................................

Selecting Step Size 12 .............................................................................................................................................................................

Selecting Frequency 12 ...........................................................................................................................................................................

Selecting Frequency Using Two Buttons 13 .............................................................................................................................................

Helpful Features on Receivers 13 ............................................................................................................................................................

About Overlapping Frequency Bands 13 .................................................................................................................................................

Selecting Audio Polarity (Phase) 13 .........................................................................................................................................................

Selecting Battery Type ........................................................................................................................................................................13

Setting Transmitter Output Power 14 .......................................................................................................................................................

Restoring Default Settings 14 ..................................................................................................................................................................

IR Sync Operation 14 ...............................................................................................................................................................................

LectroRM 15 ...............................................................................................................................................................................................

Accessories 16 ..........................................................................................................................................................................................

5-Pin Input Jack Wiring 17 ........................................................................................................................................................................

Microphone Cable Terminationfor Non-Lectrosonics Microphones 18 ................................................................................................

Input Jack Wiring for Different Sources 19 .............................................................................................................................................

Microphone RF Bypassing 20 ..................................................................................................................................................................

Line Level Signals 20 ...............................................................................................................................................................................

Firmware Update 21 ..................................................................................................................................................................................

Troubleshooting 23 ....................................................................................................................................................................................

Speciﬁcations 24 .......................................................................................................................................................................................

Service and Repair 25 ...............................................................................................................................................................................

Returning Units for Repair 25 ..................................................................................................................................................................