Radio Shack ET-537 owner manual Replacing Battery, FCC Wants YOU to Know

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43-1037.fm Page 21 Tuesday, August 17, 1999 10:05 AM

REPLACING THE

BATTERY

If you follow the instructions in “Charg- ing the Battery” on Page 8, the sup- plied battery should last about one year. When the battery loses its ability to fully charge, you should replace it with a new one (available at your local RadioShack store).

Install the new battery as described below, then charge the battery (see “Charging the Battery” on Page 8).

1.While lifting up on the battery compartment cover’s latch on the back of the handset, pull the cover up to remove it.

2.Pull and lift the tab on the battery restraining strap to remove it.

3.Gently pull on the battery connec- tor to disconnect it, then remove the battery.

4.Place the new battery inside the compartment.

5.Connect the battery’s wires to the connector in the compartment.

Note: The battery’s connector fits into the connector inside the com- partment only one way. Do not force it.

6.Replace the restraining strap and the cover.

Caution: Your telephone contains a rechargeable nickel cadmium battery. At the end of the battery’s useful life, it must be recycled or disposed of prop- erly. Contact your local, county, or state hazardous waste management authorities for information on recycling or disposal programs in your area. Some options that might be available are: municipal curb-side collection, drop off boxes at retailers, recycling collection centers, and mail back pro- grams.

THE FCC WANTS YOU TO KNOW

In the unlikely event that your phone causes problems on the phone line, the phone company can temporarily discontinue your service. The phone company normally attempts to notify you in advance. If advance notice is not practical, the phone company noti- fies you as soon as possible and advis- es you of your right to file a complaint with the FCC.

Also, the phone company can make changes to its lines, equipment, opera- tions, or procedures that could affect the operation of this telephone. The phone company normally notifies you of these changes in advance, so you can take the necessary steps to pre- vent interruption of your phone service.

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Contents ET-537 Features Fm Page 3 Tuesday, August 17, 1999 1005 AM FCC Statement Read this Before InstallationContents Selecting a Location InstallationInstalling the HANDSET’S Antenna Connecting BatteryConnecting Power Charging Battery Mounting the Base on a Wall Plate Installing the BaseMounting the Base Directly on the Wall Fm Page 11 Tuesday, August 17, 1999 1005 AM Setting the Dialing Mode PreparationTurning the Ringer on or OFF Operation Using RedialConfirmation Tones MAKING/RECEIVING a CallUsing Flash Using Tone Services on a Pulse LineUsing Privacy Using Storing Phone Numbers in Memory Memory DialingDialing a Stored Number Clearing a Memory LocationChain Dialing Numbers Symptom Cause Suggestion TroubleshootingNeed recharging To recharge it Care and Maintenance FCC Wants YOU to Know Replacing BatteryLightning Fm Page 23 Tuesday, August 17, 1999 1005 AM RadioShack Division of Tandy Corporation Fort Worth, Texas

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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