Panasonic KX-TG1283BXS, Service Manual

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4 OPERATING INSTRUCTIONS
4.1. To Use the Unit in the Event of a Power Failure
The included battery box functions as an emergency power source for Panasonic cordless phones in the event of a power failure.
4.2. Battery
4.2.1. Battery Installation for Battery Box
This battery box can provide 6 V ofemergency power supplied by standard 4 alkaline batteries ofAA (LR6) size.
Important:
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Use alkaline batteries. Operating time when using non-alkaline batteries will be dramatically shortened.
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Do not use rechargeable batteries for battery box.
Battery caution for battery box
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The batteries should be used correctly, otherwise the battery box may be damaged due to battery leakage.
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Do not mix old, new or different types of batteries.
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Do not charge, short-circuit, disassemble, or heat the batteries.
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Do not dispose ofbatteries in a fire.
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Do not use rechargeable batteries, such as nickel-cadmium (Ni-Cd) or nickel-metal hydride (Ni-MH) batteries.
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It is recommended that batteries are replaced annually.
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It is recommended that batteries are replaced after a power outage.
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Operating time may be shortened depending on usage conditions, ambient temperature, and battery quality.
Battery life for battery box
During a power failure, the following performance will be available.
Alkaline batteries
Operation Operating Time
While in use (talking) 6 hours max.
While not in use (standby) 13 hours max.
Note:
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The operating time depends on the type ofbatteries.
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Do not charge the handset in the event ofa power failure. Operating time will be shortened.
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KX-TG1283BXS / KX-TG1283B XT / KX-TCA122CXS / KX-TCA122CXT / KX-TCA121CXS / KX-TCA121CXT