Casio TC-540 - Manual (Page 39)

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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:
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.
4. Exercise care when handling the battery(ies) in order not to short the
battery(ies) with conducting materials such as rings, bracelets, and keys.
The battery or conductor may overheat and cause burns.
Ni-Cd
CONTAINS: NICKEL-CADMIUM
RECHARGEABLE BATTERY.
MUST BE RECYCLED OR
DISPOSED OF PROPERLY.
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.
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.)
25 Channels with Optimum Channel Memory (OCM TM )
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)
IMPORTANT CORDLESS
TELEPHONE INFORMATION
GENERAL
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.