East Tester ET-1714, Руководство пользователя

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7 Power
The calibrator needs 6 disposable LR03 model (size 7) alkaline batteries or 6 R03
model (size 7) nickel-metal hydride batteries (or nickel-cadmium batteries). The
longest service life of alkaline batteries can reach 50 hours.
A 12V/1A power adaptor is used for charging and providing working power for the
calibrator.
7.1 Charge
When the battery indicator is pointed at , the remaining electric quantity is less
than 20%. Charge is necessary for normal operation of the calibrator. The LCD
backlight will start operation and the
will display on the screen when the power
adaptor is used. If the battery indicator flashes, the calibrator will be in the
charging process, after which the battery indicator will stop flashing.
The calibrator will stop charge automatically in case of the following circumstances:

Disposable batteries are used.

Electric quantity is enough.