equipment might cause TV or radio interfer- ence even when it is operating properly. To eliminate interference, you can try one or more of the following corrective measures:

Reorient or relocate the receiving antenna.

Increase the distance between the equipment and the radio or TV.

Use outlets on different electrical circuits for the equipment and the radio or TV. Consult your local RadioShack store if the problem still exists.

LIGHTNING

You telephone has built-in lightning protec- tion to reduce the risk of damage from surg- es in telephone line and power line current. This lightning protection meets or exceeds FCC requirements. However, lightning strik- ing the telephone or power lines can damage your telephone.

Lightning damage is not common. Neverthe- less, if you live in an area that has severe electrical storms, we suggest that you unplug your phone when storms approach to reduce the possibility of damage.

IMPORTANT CALLER ID INFORMATION

To use the phone’s Caller ID and Call Wait- ing features, you must be in an area where Caller ID and Call Waiting services are avail- able and you must subscribe to the services.

Where Caller ID is offered, one or more of the following options are generally available:

caller’s number only

caller’s name only

caller’s name and number

For the phone’s Caller ID memory dial fea- ture to operate, you must receive the caller’s number.

Important: Cordless phones generally re- quire AC power to operate. You should also have a corded phone that does not require AC power to operate so you can still make and receive calls if there is an AC power fail- ure.

Your telephone operates on standard radio frequencies as allocated by the FCC. Even though the access protection code prevents unauthorized use of your phone line, it is possible for other radio units operating on similar frequencies within a certain area to unintentionally intercept your conversations or cause interference. This lack of privacy can occur with any cordless phone.

CARE

Keep the phone dry; if it gets wet, wipe it dry immediately. Use and store the phone only in normal temperature environments. Handle the phone carefully; do not drop it. Keep the phone away from dust and dirt, and wipe it with a damp cloth occasionally to keep it looking new.

Modifying or tampering with the phone’s in- ternal components can cause a malfunction and might invalidate its warranty and void your FCC authorization to operate it. If your phone is not performing as it should, take it to your local RadioShack store for assis- tance. If the trouble is affecting the telephone lines, the phone company can ask you to dis- connect your phone until you have resolved the problem.

Read This Before Installation

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Radio Shack ET-3504 owner manual Lightning, Important Caller ID Information, Care

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.

Durability was another characteristic that set the ET-3504 apart. Built with robust materials, it was designed to withstand the rigors of daily use. Its compact size meant it could easily fit into bags or pockets, making it a portable option for tech-savvy individuals needing a reliable device while traveling.

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.