POWER SUPPLY
Slide.back.the.battery.cover.on.the.back.of.the.device.and.
insert.a.9V.battery.(1.piece).
If.the.power.is.too.low,.the.device.will.display.a.battery.
icon..............The.device.may.not.measure.correctly..Insert.
a.new.battery.
OPERATION
.
Test.mode:.
Insert.a.mouthpiece.into.the.mouthpiece.nozzle.of.the.
device.
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