Radio Shack RT-551 Entering a Pause, Dialing a Memory Number, Chain-Dialing Service Numbers

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Note: If three quick beeps sound, you have made an error and the number was not stored. Start again from Step 2.

For each stored number, write the per- son’s or company’s name next to the appropriate location number on the memory dialing card. We recommend you use a pencil in case you want to change the number later.

Memory

Dialing Card

RadioShack

 

25

 

CHANNEL

 

1

CHARGE

 

 

 

2

 

 

3

 

 

4

 

 

5

OFF

 

6

 

 

7

RINGER

 

8

 

 

9

 

ON

0

To erase a stored number, simply store a new number in its place.

Entering a Pause

In some telephone systems, you must dial an access code (9, for example) and wait for a second dial tone before you can dial an outside number. You can store the access code with the phone number. However, you should also store a pause after the access code to allow the outside line time to connect.

To do so, press REDIAL at the appro- priate place to enter a 4-second pause. For a longer pause, press REDIAL ad- ditional times.

Dialing a Memory Number

To dial a number stored in memory, press TALK. When you hear a dial tone, press MEMORY and enter the memory location number for the num- ber you want to dial.

Chain-Dialing Service

Numbers

When calling special services (such as alternate long distance or bank by phone), dial the service’s main number first. Then, at the appropriate place in the call, press MEMORY then the num- ber for the location where the addition- al information is stored.

Testing Stored Emergency Numbers

If you store an emergency service’s number (police department, fire de- partment, ambulance) and you choose to test the stored number, make the test call during the late evening or early morning hours to avoid peak demand periods. Also, remain on the line to ex- plain the reason for your call.

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Contents ET-551 Features FCC Statement Read this Before InstallationContents Installation Installing the HANDSET’S AntennaSelecting 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 Dialing Mode Setting the VolumeTurning the Ringer on or OFF Changing Channel Using RedialOperation Making and Receiving CallsUsing Tone Services on a Pulse Line Using FlashPaging Memory DialingStoring 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.