Topcon RC-4, Инструкция по эксплуатации

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Power Source and Charging
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•
Do not charge continuously, otherwise the battery and the charger may be deteriorated.
If charging is necessary, use the charger after stopping charge for approximately 30 minutes.
• Do not charge the battery in right after the battery is charged, it causes deterioration of the battery
in rare cases.
• The charger may develop heat while charging, there is no problem of it.
Note • Recharging should take place in a room with an ambient temperature range of 10°C to
40°C (50°F to 104°F).
• If charging is done at high temperature, charging time of the battery may take longer.
•
Exceeding the specified charging time may shorten the life of the battery and should be
avoided if possible.
• The battery will self-discharge when stored and should be checked before using with
instrument.
• If the battery is not used over an extended period of time, store in a place at 30°C or below
in a 50% charged state.
Over discharge will lower performance and a full charge may become impossible.
Please charge once every few months.