KERN WTB-N Serie Notice D'utilisation page 55

WTB-N_WTB-NM-BA-e-1823
 Remove battery compartment
cover and the foam pieces
 Connecting the rechargeable
battery
Watch the colours:
Red on red !
Black on black!
 Insert the rechargeable battery
in a manner that it cannot slip
(fasten with a rubber foam mat)
Ensure that the cables are
not squeezed.
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