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Casio TC-540 manual Important Cordless Telephone Information

Models: TC-540

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GENERAL

PAGE

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IMPORTANT CORDLESS TELEPHONE INFORMATION

Interference Information

Notice: This cordless telephone uses radio communications between the handset and the base unit, and may not ensure privacy of communication. Other devices including other cordless telephones

may interfere with the operation of this cordless telephone or cause noise during operation. Cordless telephone equipment generates and receives radio waves and, if not installed and used properly, may pick up interference. To

prevent interference:

Avoid locations such as heating appliances, electrical equipment (e.g., fluorescent lamp, TV, radio, refrigerator, computer), places subject to direct sunlight, excessive dust, moisture, vibration, etc.

Locate the base unit in a high place in the house (such as the second floor) in order to receive the most effective communication range. Fully extend the base unit antenna telephones must not cause interference to any licensed radio service.

WARNING

To prevent fire or shock hazard, do not expose the set to rain or moisture.

To avoid electrical shock, do not open the cabinet. Refer servicing to qualified personnel only.

CAUTION

1. Use batteries only intended for recharging. Use only the following battery pack: Nickel-Cadmium Rechargeable, 3.6 volts, 250-300 mAh.

2.Do not dispose of the battery(ies) in a fire. The cell may explode. Check with local codes for special disposal instructions.

3.Do not open or mutilate the battery(ies.) Released electrolyte is corrosive and may cause

damage to the eyes or skin. It may be toxic if swallowed.

CONTAINS: NICKEL-CADMIUM

4. Exercise care when handling the battery(ies) in order not to short the

RECHARGEABLE BATTERY.

MUST BE RECYCLED OR

battery(ies) with conducting materials such as rings, bracelets, and keys.

DISPOSED OF PROPERLY.

 

The battery or conductor may overheat and cause burns.

Ni-Cd

Charge the Handset Batteries Before Using the Cordless Telephone

The batteries lose their charge during shipping and storage. Be sure to charge the batteries before you use the TC-540 cordless telephone. Place the handset in the base unit. The CHARGING INDICATOR will light. Leave the handset in the base unit for 12-15 hours. (See page 20.)

Digital Security Code

The Digital Security Coding System automatically resets a new personal security code to one of over 256 combinations every time you return the TC-540 handset to the base unit. (Whenever the handset is returned to the base unit you will hear a beep.) The security code prevents unauthorized use of your telephone line, false rings and false dialing. (US. Patent No. 5,073,932)

Ultra Clear® Noise Reduction Circuit

The TC-540 is equipped with Ultra Clear Noise Reduction Circuitry (Compander Circuit). It reduces background noise—reception is superior to conventional cordless telephones.

25 Channels with Optimum Channel Memory (OCMTM)

The TC-540 has 25 channels with Optimum Channel Memory. Optimum Channel Memory provides fast and clear channel selection. The scanning circuit scans all 25 channels in your neighborhood to find the best available channel. Once it finds the clear channels it selects and remembers the three best ones. When you press “Talk” to call out or receive a call, the unit automatically provides you with the best channel. Whenever you place the handset in the base unit for 2 seconds or more, the unit updates its memory. Press CHANNEL if you wish to change channels manually. (U.S. Patents 5,197,093 & 5,418,839)

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Casio TC-540 manual Important Cordless Telephone Information
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TC-540 specifications

The Casio TC-540 is a remarkable addition to the world of desktop calculators, designed to cater to both professionals and students alike. Known for its reliable performance and user-friendly interface, the TC-540 is equipped with a variety of features that enhance productivity and efficiency in calculations.

One of the main features of the Casio TC-540 is its large, easy-to-read display. With a spacious screen that showcases numbers in bold digits, users can quickly perceive their calculations without straining their eyes. The calculator's ergonomic design ensures comfortable usage, making it an ideal option for those who spend long hours performing mathematical operations.

The TC-540 is not just about ease of use; it also incorporates advanced technologies for enhanced functionality. It comes with a dual power system that utilizes both solar energy and battery power, ensuring uninterrupted use even in low-light conditions. This feature not only makes the calculator eco-friendly but also provides convenience to users who may find themselves working in various environments.

A standout characteristic of the Casio TC-540 is its wide array of mathematical functions. It supports basic arithmetic operations, as well as more complex calculations such as floating-point arithmetic and percentages. The calculator also allows users to perform memory functions, storing and retrieving previous results with ease. This set of features makes it versatile enough for different applications, from basic schoolwork to advanced business calculations.

Another highlight of the TC-540 is its built-in statistical functions, which enable users to analyze data with ease. Features such as standard deviation calculations and regression analysis are particularly valuable for students and professionals dealing with data-heavy tasks. This level of functionality positions the TC-540 as a tool not only for performing calculations but also for data analysis.

Durability is another essential characteristic of the Casio TC-540. Constructed with high-quality materials, it can withstand the rigors of daily use, making it a long-lasting investment for both home and office settings. Additionally, the calculator is lightweight and portable, allowing users to easily carry it for on-the-go calculations.

Overall, the Casio TC-540 stands out for its blend of simple operation, advanced features, and robust build quality. Whether you are a student navigating through complex mathematics or a professional managing financial data, the TC-540 is equipped to meet a variety of needs, making it an invaluable tool in both academic and professional environments.