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Note: The redial memory holds up to 63 digits, so you can redial long- distance as well as local phone num- bers.

USING FLASH

Pressing FLASH sends the electronic equivalent of a switchhook signal. Use FLASH with special phone company services such as call waiting.

If you have call waiting, quickly press and release FLASH to take an incom- ing call without disconnecting the cur- rent call. Quickly press and release FLASH again to return to the first call.

Notes:

•Pressing and holding down FLASH for at least 1 second dis- connects the current call.

•Do not press FLASH to hang up the phone.

•When you redial a phone number that includes a flash entry, the phone only redials the numbers after FLASH. For example, if you dial 1 2 3 4 FLASH 5 6 7, pressing REDIAL only redials 5 6 7.

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•If you do not have any special phone services, pressing FLASH might disconnect the current call.

USING TONE SERVICES ON A PULSE LINE

If you have pulse service, you can tem- porarily switch to tone dialing during a call for banking services or computer transactions.

Be sure TONE/PULSE on the back of the base is set to PULSE. Dial the num- ber as usual, then simply press on the handset at the appropriate place in the call to change to tone dialing. The phone automatically returns to pulse dialing when you hang up the call.

USING PRIVACY

If you do not want a person on the other end of the line to hear you, press and hold down PRIVACY on the handset. The handset’s microphone is turned off without ending the call. Release PRIVA- CY to resume your conversation.

Note: You can still hear the person on the other end of the line when you press and hold down PRIVACY.

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Radio Shack ET-537 owner manual Using Flash, Using Tone Services on a Pulse Line, Using Privacy
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ET-537 specifications

The Radio Shack ET-537 is a portable electronic device that garnered attention during its time for its unique features and functionalities. Primarily a digital electronic tool, it was aimed at both hobbyists and everyday users who needed a reliable and user-friendly device for everyday tasks.

One of the standout features of the ET-537 is its compact design, making it highly portable and easy to carry. Weighing in at a mere few ounces, it fits comfortably in a pocket or bag, making it an ideal companion for students or professionals on the go. The device boasts a clear, easy-to-read digital display, which enhances the user's experience and ensures that information is presented in an understandable format.

Technologically, the ET-537 utilizes advanced components that were ahead of its time. It features a built-in calculator that performs basic mathematical operations, which is particularly useful for students or anyone needing quick calculations without resorting to a full-sized calculator. Additionally, the device is equipped with a memory function, allowing users to store and recall important data effortlessly.

Another notable characteristic of the ET-537 is its multi-functionality. Beyond being a simple calculator, it can serve a variety of purposes such as a stopwatch, alarm clock, and even a basic data organizer. This versatility makes it a valuable tool in various settings, whether in the classroom, at the office, or during leisure activities.

The ET-537 operates on standard batteries, offering convenience and ease of use for individuals who might not have easy access to power sources. This feature is particularly advantageous for outdoor enthusiasts or those who travel frequently, as it ensures uninterrupted functionality.

Durability and build quality are also key characteristics of the Radio Shack ET-537. Designed with robust materials, it can withstand daily wear and tear, making it a formidable device for those who need reliability in their electronic tools.

In summary, the Radio Shack ET-537 combines portability, innovative technology, and multi-functional capabilities, catering to a wide range of users. Its design and features reflect the needs of both casual users and professionals, solidifying its place as a noteworthy electronic device in its era.
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