3M Littmann 3100 Bedienungsanleitung Seite 10

NIMH
ALKALINE
LITHIUM
volume level:
Select the SET VOL option in the Setup menu. Press and
It. The factory default is level 3.
(default) filter setting:
Select the SET FLTR option in the Setup menu. Press and re
rrent
fitter
as default. The factory default is the diaphragm filter.
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