Casio DT-9721CHGE Manual download pdf (Page 42)

6. Precautions

6.1 Handling Precautions

Precautions for short-term storage (1 to 2 days)

• If the IT-3000 is to be stored over holidays (including Saturday and Sunday), replace the battery pack if

installed with a fully charged battery pack. This will conserve the built-in memory backup battery and ensure

retention of data on the terminal.

• If there is a possibility of the above or operator error (e.g., a fully charged battery has not been inserted),

practice system operation that maintains a backup to avoid loss of data due to consumption of the batteries.

Precautions for long-term storage (over one week)

• Prior to long-term storage (over one week), always back-up data in the terminal to other memory storage

device. In addition, remove the lithium-ion battery pack before storage. This can minimize overly

discharging the installed battery and minimize consumption of the memory backup battery.

• Do not store the removed battery pack at high temperature. Otherwise, it will discharge at an accelerated rate.

Note that the capacity after the battery if it is not used for 10 days at 60°C will be 65%, and that after 20 days

at 60°C will be 55%.

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Casio DT-9721CHGE Manual Page 42