DRAMINSKI GRAIN MASTER Mode D'emploi page 21

The.device.has.an.automatic.function.which.signals.
it. is. running. out. of. power . . In. such. a. case. the.
Change battery!
following.information.is.displayed:.
The. device. is. powered. by. a. typical. 9V. alkaline. .
battery
In.order.to.replace.the.battery,.open.the.cover.on.
the. bottom. of. the. casing,. remove. the. old. battery.
and.insert.a.new.one,.ensuring.the.polarity.marks.
match.inside.the.compartment
After. changing. the. battery. close. the. battery.
compartment.cover
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