Radio Shack RT-551 owner manual Fm Page 17 Tuesday, August 17, 1999 108 PM

Models: RT-551

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Problem

Suggestion

 

 

 

 

The handset does not ring or

The battery pack might be weak. Charge the

receive a page.

battery pack.

 

 

 

Extend the base’s antenna vertically.

 

 

 

Move the handset closer to the base.

 

 

 

Move the base away from other electrical devic-

 

es and sources of noise.

 

 

The handset stops working or

Move the handset closer to the base.

works poorly during a call.

 

Fully extend the base’s antenna, and place it in

 

 

a vertical position.

 

 

 

Check the charging contacts on the handset

 

and base. If they are dirty, clean them with a

 

pencil eraser.

 

 

 

Be sure the handset’s battery pack is charged.

 

(If the battery power is too low, it does not have

 

enough power to light the LOW BATT indicator.)

 

 

 

If the base loses power while the handset is off

 

of it, the security access-protection code might

 

change. Restore power to the base, then place

 

the handset back on the base. The CHARGE in-

 

dicator lights when the code is reset.

 

 

The call is too noisy.

Change channels or hang up and redial the

 

number.

 

 

If you still have problems, disconnect the phone. If other phones on the same line work properly, the fault is in this phone or its installation. If you cannot find the prob- lem, take your phone to your local RadioShack store for assistance.

17

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Radio Shack RT-551 owner manual Fm Page 17 Tuesday, August 17, 1999 108 PM

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.