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Radio Shack 43-491 - User Manual

Radio Shack 43-491
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Cat. No. 43-491
OWNER’S MANUAL
Please read before using this equipment.
2-Station
Wireless FM Intercom
43-491.fm Page 1 Friday, August 13, 1999 9:58 AM
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Radio Shack 43-491 Specifications

General IconGeneral
TypeWireless Intercom System
Channels3
RangeUp to 1000 feet
Power SourceAC Adapter
Weight1.5 pounds

Summary

Product Features

Key Features Explained

Details on PLL circuit, FM modulation, call tone, lock, power/talk indicators, and expandability.

Safety and Warnings

Electrical Safety and Symbol Guidance

Crucial warnings about electric shock, fire hazards, and explanations of safety symbols.

Installation and Mounting

Basic Setup and Placement

Instructions for plugging in, placement, phase requirements, transmission range, and feedback prevention.

Wall Mounting Procedure

Steps for securely mounting the station on a wall using screws.

Operation and Monitoring

Power, Volume, and Calling

How to turn the unit on/off, adjust volume, and initiate a call.

Speaking and Communication Notes

Guidelines for talking, listening, and important notes on usage.

Continuous Monitoring Setup

How to use the LOCK feature to monitor a station continuously.

System Expansion and Maintenance

Adding Stations and Frequency

Instructions for adding more stations and considerations for frequency.

Care and Cleaning Advice

Recommendations for keeping the intercom stations dry, clean, and in good condition.

Handling and Modification Warnings

Advice on careful handling and warnings against modifying internal components.

Regulatory Information and Warranty

FCC Interference Guidelines

Information on identifying and resolving potential TV or radio interference.

Limited Ninety-Day Warranty

Details on product warranty coverage, service, and exclusions.

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