NB N4 Manual - page 11
10
English
BattErY rEpLacEMENt
Watch Battery
DONOTremovethescrewsandopenthecaseback.
Toensurewaterresistance,allbatteryreplacementonthewatchshouldbecompletedbyatrainedwatchrepairtechnician.
Heart rate transmitter Battery
Duetoalowerbatterylifethanthewatch,theHeartRatetransmitter
has a user replaceable battery hatch so you can replace the CR2032 battery.
NOTE: The battery hatch is plastic and can be easily damaged by applying too much pressure on the coin slot. DO NOT turn
the battery hatch excessively in either direction; this will help to avoid damage to the plastic battery hatch. For best results,
it is also recommended that you employ the assistance of a trained repair technician to replace the transmitter battery.
Follow the steps below to replace the transmitter battery.
• Usingacoin,turnthebatteryhatchcounter-clockwise15degrees
fromthehorizontalclosedpositiontotheOPENdotonthecaseback.
• Removethebatteryhatch.TakeextremecarenottodisplacetherubberO-ringwithinthebatterycavity.
Improperplacementwillcompromisethewaterresistanceofthetransmitter.
• RemovetheoldCR2032batteryandreplacewithanewone.
Again,takecarenottotouchtheO-ring.
• AlignthearrownexttothecoinslotwiththeOPENdotonthecaseback.
• Gentlypressthebatteryhatchdoneintothebatterycavity
until it is even with the caseback surface.
• Gentlyturnthebatteryhatchclockwisetotheoriginalposition
aligningthearrowwiththeCLOSEDdot.
OPEN
CLOSED