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1. Open the battery cover with a coin by turning it from CLOSE to
OPEN.
2. • When changing wrist unit battery (2a), remove the battery
cover and lift the battery out carefully with a suitable sized
small rigid stick or bar, for instance, a toothpick or small
screwdriver. However, prefer a non-metal tool for wrenching
the battery out. Be careful not to damage the metal sound
element (*) or the grooves. Insert a new battery with the
positive (+) side outwards.
• When changing transmitter battery (2b), place the battery
inside the cover with the positive (+) side facing the cover.
3. Replace the old sealing ring with a new one, fitting it snuggly in
the cover groove to ensure water resistance.
4. Put the cover back on and turn it clockwise to CLOSE.
5. Re-enter the basic settings if you changed the wrist unit
batteries.
ENGLISH
38 Customer Service Information