ˆOperation

A QUICK LOOK AT THE HANDSET

TALK To make a call, lift the hand- set from the base, then press TALK. You hear a dial tone and the CHARGE/ IN USE/MESSAGE indicator lights. Dial the number you want to call.

To answer a call, lift the handset from the base, then press TALK. The CHARGE/IN USE/MESSAGE indicator lights.

To end a call, place the handset on the base or press TALK.

This phone has a call duration timer that starts counting from 00:00 when you press TALK to make or receive a call. The time stops counting when you press TALK again to end the call. The call duration display remains for 12 seconds after you end the call. Notes:

When you press a button, a single tone indicates that the phone has ac- cepted the command. Three tones in- dicate that you pressed a button in error or there is severe interference. If interference is severe, the handset might lose communication with the base and the call might disconnect. If this happens, return the handset to the base for about 5 seconds to reset the security access-protection code.

CH — Every time you press TALK, the phone automatically selects a clear channel it uses for communication between the handset and the base. If you hear interference during a call, repeat- edly press CH to change the channel until you get a clear one.

REDIAL — To quickly redial the

number di-

aled, press TALK then REDIAL/CALLBACK. To redial a busy number, press REDIAL/

CALLBACK without hanging up the phone. <B7I> appears and a dial tone sounds for about

2 seconds, then the number automatically redi- als.

Notes:

The redial memory holds up to 32 digits, so you can redial long-distance as well as local num- bers.

VOL/CID 8/9 To ad- just the handset’s volume level, repeatedly press VOL/CID 8 or 9during a call. The volume level remains set after you hang up. There are four volume levels. Note: The handset sounds 3 beeps when you reach the low- est or highest listening level.

FLASH/DELETE pro- vides the electronic equiva- lent of a switchhook signal for special phone services such as Call Waiting.

For example, if you have Call Waiting, press FLASH/DELETE to an- swer an incoming call with- out disconnecting the current call. Press FLASH/ DELETE again to return to the first call.

Note: If you do not have any special phone services, pressing FLASH/DELETE might disconnect your cur- rent call.

RINGER — To have the phone ring when a call comes in, set RINGER to ON. To turn the ringer off, set RING- ER to OFF.

With RINGER set to OFF, the phone does not ring, but you can still make outgoing calls. If you hear an exten- sion telephone ring, you can answer the incoming call on this phone. The CHARGE/IN USE/MESSAGE indica- tor flashes and the display backlight lights until you an- swer the call.

Operation

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Radio Shack ET-3504 owner manual Operation, Quick Look AT the Handset

ET-3504 specifications

The Radio Shack ET-3504 was an innovative electronic device that made a significant impact in the world of consumer electronics during its time. Released in the early 1990s, it was part of a brand that was synonymous with retail electronics, bringing affordable technology to the masses. The ET-3504 served a variety of functionalities that made it a versatile tool for tech enthusiasts and everyday users alike.

One of the standout features of the ET-3504 was its multifunction ability. It combined several electronic tools into one compact unit, allowing users to perform various tasks without needing multiple devices. It functioned as a basic calculator, a voice recorder, and even a digital organizer, making it an all-in-one solution for personal management and calculation needs.

The ET-3504 boasted a user-friendly interface that catered to its diverse audience. With an easy-to-read LCD display, users could navigate through its features with minimal effort. The keypad was designed for convenience, featuring large buttons that made inputting data simple and efficient. This attention to user experience reflected Radio Shack's commitment to accessibility and ease of use.

In terms of technology, the ET-3504 was ahead of its time. It utilized solid-state memory for data storage, ensuring that users could save important information without the fear of losing it. This feature was particularly beneficial for students, professionals, and anyone who needed to keep track of notes and appointments on the go. Additionally, the device offered a basic database function, allowing users to store contact information and quick notes.

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Radio Shack's ET-3504 played a notable role in shaping consumer expectations for multifunctional devices. Its integration of various technologies in a user-friendly package showcased the potential of storing and managing information efficiently. Although technology has evolved significantly since its release, the ET-3504 remains a nostalgic emblem of innovation during its era in consumer electronics. Its legacy reminds us of a time when devices aimed to simplify and enhance daily life through practical technology.