43-1050a.fm Page 17 Tuesday, August 17, 1999 12:56 PM

USING TONE SERVICES ON A PULSE LINE

Some special services, such as bank- by-phone, require tone signals. If you have pulse service, you can still use these special tone services by follow- ing these steps.

1.Be sure P∙ ∙T is set to P.

2.Dial the service’s main number using the keypad at the base or the handset.

3.When the service answers, press TONE/ . Any additional numbers you dial are sent as tone signals.

MEMORY DIALING

You can store up to 20 numbers in the ET-550’s memory (10 in the handset’s memory and another 10 in the base’s memory), then dial a stored number by pressing MEMO then a one-digit mem- ory location number.

Notes:

•Each number you store can be up to 16 digits long.

•You cannot dial the number stored in one memory (the base or the handset) using the keypad on the other.

4.After you complete the call, return the handset to the base, press TALK, or press SPEAKER. The phone automatically resets to the pulse mode.

Storing a Number in Memory

Notes:

•If you wait more than 20 seconds between each key press, an error tone sounds and the phone exits the programming mode.

•To store a number in the base’s memory, begin with Step 2.

1.To store a number in handset’s memory, lift the handset. If you hear a tone, press TALK to turn it off.

17

Page 16 Page 18
Page 17
Image 17
Radio Shack ET-550 owner manual Memory Dialing, Storing a Number in Memory
Page 16 Page 18

ET-550 specifications

The Radio Shack ET-550 is a notable device from the well-known electronics retailer, combining simplicity and functionality for users in the late 20th century. Positioned as a reliable personal electronic device, the ET-550 attracted tech enthusiasts and casual users alike, eager to embrace the digital age.

One of the main features of the ET-550 is its compact and lightweight design, making it highly portable. Users appreciated the ease with which they could carry the device, whether for personal use or during travel. The device had a user-friendly interface, ensuring that even those with limited technical knowledge could navigate through its various functions effortlessly.

The ET-550 incorporated advanced technology for its time, utilizing a clear LCD screen that displayed information prominently. This screen made it easy for users to read text and access various features without straining their eyes. The device also boasted a built-in keyboard that was comfortable to use, enabling quick data input and interaction.

Among its characteristics, the ET-550 featured a robust memory capacity, allowing users to store a plethora of notes, calculations, and data entries. This aspect made it particularly appealing to professionals and students who needed to keep track of important information on the go. Additionally, the ET-550 included a calculator function, helping users perform a variety of mathematical operations with ease, which was essential for business and academic tasks.

Another significant technology employed in the ET-550 was its power efficiency. The device was designed to consume minimal battery life, which was a key consideration for users relying on portability. With long-lasting battery performance, the ET-550 ensured that users could depend on it through extended periods without the need for frequent recharging or battery replacement.

The Radio Shack ET-550 also offered a variety of connectivity options to facilitate data sharing and device integration. Whether connecting to a computer or other peripheral devices, the ET-550 provided versatility in its applications, further enhancing its appeal.

In conclusion, the Radio Shack ET-550 stands out as a testament to innovation in personal electronics during its time. With features focused on usability, portability, and efficiency, it captured the attention of a diverse user base, marking an important chapter in the evolution of personal tech.
Top Page Image Contents