Radio Shack RT-551 Operation, Making and Receiving Calls, Changing Channel, Using Redial

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OPERATION

MAKING AND RECEIVING CALLS

To make a call, pick up the handset and press TALK. When the TALK indi- cator lights steadily and you hear the dial tone, dial the phone number.

To answer a call if the handset is on the base, simply lift the handset and begin your conversation.

To answer a call if the handset is not on the base, press TALK on the hand- set before speaking.

FLASH

TALK

REDIAL MEMORY CHANNEL

ABCDEF

1 2 3

To end a call, place the handset on the base or press TALK.

Note: If you press TALK to hang up and the phone does not disconnect, place the handset on the base or press TALK again while holding the handset closer to the base.

CHANGING THE

CHANNEL

The ET-551 finds a clear channel for each call, but if you notice interference during a call, you can press CHANNEL to find a clearer channel.

FLASH

TALK

REDIAL MEMORY CHANNEL

ABCDEF

1 2 3

The ET-551 changes to a different channel each time you press CHAN- NEL.

Note: If the handset is too far from the base, the channel might not change. Move closer to the base and try again.

USING REDIAL

REDIAL lets you quickly dial the last number dialed. When you hear the dial tone after pressing TALK, simply press

REDIAL.

FLASH

TALK

REDIAL MEMORY CHANNEL

ABCDEF

1 2 3

Note: The redial memory does not store a flash entry (see “Using Flash” on Page 13).

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Contents ET-551 Features Read this Before Installation FCC StatementContents Installation Installing the HANDSET’S AntennaSelecting a Location Placing the Base on a Desk Top Mounting the Base on a Wall PlateStrain Relief Slot Groove Mounting the Base Directly on the Wall Connecting and Charging the Battery Pack Charge Indicator Setting the Dialing Mode Setting the VolumeTurning the Ringer on or OFF Using Redial OperationMaking and Receiving Calls Changing ChannelUsing Flash Using Tone Services on a Pulse LinePaging Memory DialingStoring a Number in Memory Chain-Dialing Service Numbers Testing Stored Emergency NumbersEntering a Pause Dialing a Memory NumberTroubleshooting Fm Page 17 Tuesday, August 17, 1999 108 PM Care and Maintenance Replacing Battery Pack FCC Wants YOU to Know Lightning Fm Page 22 Tuesday, August 17, 1999 108 PM Fm Page 23 Tuesday, August 17, 1999 108 PM RadioShack Division of Tandy Corporation Fort Worth, Texas

RT-551 specifications

The Radio Shack RT-551 is a dynamic dual-band amateur radio transceiver that has gained notable recognition among hobbyists and professionals alike. Launched as part of Radio Shack's commitment to deliver quality communication equipment, the RT-551 stands out with its impressive set of features and advanced technologies suitable for both casual and serious radio operators.

One of the standout features of the RT-551 is its dual-band capability, allowing users to operate on both the 2-meter and 440 MHz bands. This frequency versatility ensures that operators can communicate over a broad range of amateur radio applications, making it an ideal choice for various communication scenarios. The transceiver offers a wide frequency range, enabling connections across local and regional networks as well as interoperability with other amateur equipment.

The RT-551 is equipped with a powerful 50-watt output, ensuring strong signal strength and clarity during transmissions. This output is complemented by an advanced receiver sensitivity, enabling clear reception even in challenging environments with high levels of interference. Clear communication is further enhanced by the built-in noise filter, which eliminates background noise, making conversations more pleasant and intelligible.

In terms of ease of use, the RT-551 features an intuitive control panel with well-laid-out buttons and a large LCD display that provides clear frequency readouts and other vital information. This user-friendly design allows operators of all skill levels to quickly set up and navigate through the radio's functions without confusion.

Moreover, the RT-551 supports CTCSS and DCS encoding and decoding, which are essential for private communications on crowded frequencies. This feature ensures that users can communicate discreetly and avoid interference from unwanted signals.

The transceiver also includes a built-in Automatic Noise Limiter (ANL) that further improves incoming signal quality by suppressing noise and enhancing voice clarity. This feature is particularly beneficial for operators working in urban environments or regions with significant radio traffic.

In conclusion, the Radio Shack RT-551 is a well-rounded amateur radio transceiver that combines robust power, flexibility, and ease of use. Its dual-band operation, advanced noise filtering technology, and user-friendly design make it a favorite among radio enthusiasts. Whether for local conversations or connecting with distant stations, the RT-551 provides the reliability and performance demanded by dedicated radio operators.
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