The device gives an automatic warning when batter-
ies are discharged. In such case, immediately after
switch-on or during the use a graphic symbol will
display, which means "Change battery". After that,
the GMM mini will switch off automatically.
GMS
Replace battery
The grain moisture meter is supplied with one battery
9V (type 6LF-22).
In order to change the battery:
– unlock the battery compartment cover on the
underside and remove discharged battery;
– install new battery according with its polarity
signs +/–
– close the battery compartment with the cover.
Press it carefully until it locks with a click, which
indicates that the battery compartment is prop-
erly secured and there is no risk of the battery
falling out.
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SECTION 11 | BATTERY REPLACEMENT