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Lectrosonics R1a - User Manual

Lectrosonics R1a
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R1a
UHF MULTI-FREQUENCY
BELT-PACK IFB RECEIVER
LECTROSONICS, INC.
Rio Rancho, NM
www.lectrosonics.com
OPERATING INSTRUCTIONS
and trouble-shooting guide
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Summary

Safety Notes

Introduction

General Technical Description

Control Knob Functions

Details the multiple functions of the single front panel control knob for power, audio level, and channel switching.

LED Indicator Functions

Explains the multi-color LED's role in indicating channel number, battery status, and programming mode.

Receiver Features and Controls

Headphone and Audio Connections

Covers headphone jack usage, mono/stereo plug compatibility, and audio level adjustment for earphones.

Frequency Adjustment

Explains how to use the rotary switches for coarse and fine frequency tuning to match the transmitter.

Receiver Operating Instructions

Normal Operation

Guides users through setting frequency, connecting earphones, and powering on for standard receiver use.

Programming New Frequencies

Step-by-step instructions for scanning and storing new transmitter frequencies into the receiver's memory channels.

Erasing Channel Memories

Procedure to clear all stored frequencies from the receiver's memory channels.

Multiple Transmitter Setup

Discusses potential issues like intermodulation with multiple transmitters and prevention methods.

Battery Instructions

Details battery types, expected life, and the procedure for replacing the 9V battery in the receiver.

Troubleshooting

Specifications and Features

Service and Repair

Returning Units for Repair

Provides a step-by-step guide for returning equipment to the factory for service, including necessary contact information.

Notes

Limited One Year Warranty

Lectrosonics R1a Specifications

General IconGeneral
TypeDiversity Receiver
Tuning Steps25 kHz
ModulationFM
THD< 0.5%
Frequency Range470 to 608 MHz
Dynamic Range100 dB
Power SupplyTwo AA batteries
Battery LifeUp to 8 hours

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