Radio Shack RT-551 owner manual Strain Relief Slot Groove

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43-1051.fm Page 7 Tuesday, August 17, 1999 1:08 PM

2. Insert the supplied power adapter’s barrel plug into the DC 12V jack on the back of the base.

 

DC12V

LINE

T P

 

3.Route the modular cord through the groove on the bottom of the base and the adapter cord through the strain relief slot on top of the base.

Strain Relief Slot

Groove

4.Plug the adapter into a standard AC outlet.

5.Plug the short modular cord’s other end into the wall plate jack, then align the base’s keyhole slots with the wall plate studs and slide the base downward to secure it.

LINE

OFF

RINGER

ON

6.Fully extend the base’s antenna and place it in a vertical position.

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Contents ET-551 Features FCC Statement Read this Before InstallationContents Installing the HANDSET’S Antenna InstallationSelecting a Location Mounting the Base on a Wall Plate Placing the Base on a Desk TopStrain Relief Slot Groove Mounting the Base Directly on the Wall Connecting and Charging the Battery Pack Charge Indicator Setting the Volume Setting the Dialing ModeTurning the Ringer on or OFF Changing Channel Using RedialOperation Making and Receiving CallsUsing Tone Services on a Pulse Line Using FlashMemory Dialing PagingStoring a Number in Memory Dialing a Memory Number Chain-Dialing Service NumbersTesting Stored Emergency Numbers Entering a PauseTroubleshooting 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.