Radio Shack RT-551 owner manual Mounting the Base Directly on the Wall

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43-1051.fm Page 8 Tuesday, August 17, 1999 1:08 PM

Mounting the Base

Directly on the Wall

For this mounting method, you need two wood screws (not supplied) with heads that fit into the keyhole slots on the bottom of the base.

1. Drill two holes 315/16

inches apart. Then

thread a screw into

each hole,

letting 315/16

the heads

extend

about 5/16 inch from

the wall.

5/16

2.Plug one end of the supplied short modular cord into the LINE jack on the back of the base.

 

DC12V

LINE

T P

 

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

 

DC12V

LINE

T P

 

8

4.Route the adapter’s cord through the strain relief slot on top of the base.

Strain Relief Slot

5.Align the keyhole slots with the mounting screws and slide the base downward to secure it.

LINE

OFF

RINGER

ON

6.Plug the adapter into a standard AC outlet.

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Contents ET-551 Features Read this Before Installation FCC StatementContents Selecting a Location InstallationInstalling the HANDSET’S Antenna 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 Turning the Ringer on or OFF Setting the Dialing ModeSetting the Volume Using Redial OperationMaking and Receiving Calls Changing ChannelUsing Flash Using Tone Services on a Pulse LineStoring a Number in Memory PagingMemory Dialing 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.