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7.battery replacement – KYORITSU 3161A User Manual

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7.Battery replacement

6-5 Backlight function

To facilitate working in dimly lit situations, a backlight function is
provided which illuminates the scale plate. Press the backlight
switch to operate this function. The backlight will light up for
about 30 sec., and then turned off automatically.

DANGER

Never open the Battery cover during a measurement.

WARNING

To avoid possible electric shock, remove test leads before
opening the Battery cover. After replacing batteries, be sure
to tighten up the screws for Battery cover.

CAUTION

Do not mix new and old batteries.
Install batteries in correct polarity as marked inside the Battery
compartment.