User guide

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Cautions on use
Since this checker is a precision device, if it is improperly used or roughly
handled, it may become damaged or fail to save data correctly. To ensure
proper use of the checker, carefully read and observe the following cautions.
Do not continue using the checker when there is battery completely drained.
Data may be lost or corrupted.
Replace with a new battery immediately when the battery charge is very low.
Do not leave the battery connected when the checker is left unused for a long time.
Liquid may leak from the battery.
Leaking liquid may damage the checker
.
Use the checker only under the following conditions:
Temperature 0 to 󲔪40
Humidity range 10 to 85%󲔧No condensation󲔨
If the checker is used out of this range, it will become damaged.
Avoid using the checker in the following places:
Otherwise the checker may become damaged.
Places where static electricity accumulates
Places subject to very high or very low temperatures
Places of high humidity
Places subject to sudden temperature changes
Places with a lot of dust
Do not place the checker in high temperature such as in the car during the daytime in
summer.
Do not place any heavy objects on the checker.
Do not disassemble the instrument. (Otherwise the checker may be damaged.)
Do not insert or allow foreign matter inside the connector.
Do not spill liquids, including water, over the checker.
Cautions when discarding
When discarding the checker, please comply with the laws or regulations of
local government in your country.