ENGLISH 25
You will need the following:
Battery: CR 1632
Dust-free pad that won’t scratch the face of the wrist unit
Small Phillips or standard head screwdriver
Plastic tweezers
7. After a battery replacement, the wrist unit enters reset
mode. The display fills with digits. Check that all digits are
displayed.
8. Remove the old sealing ring and clean the ring cavity.
9. Place the sealing ring in the cavity. The register mark of
the ring has to be in the slot at the lower part of the cavity.
Make sure that the ring is firmly in place.
10. Wipe off finger prints on the battery and clean the surface
of the back cover facing the sealing ring with a soft,
lint-free cloth.
11. Put the back cover in place and press it with your finger.
12. Put the screws in their holes and tighten them slightly from
opposite corners. Do not tighten them completely to ensure
even closing of the case. Do not force the screws or damage
the existing threads.
13. Having checked that the back cover is firmly in place,
tighten the screws securely from opposite corners.
14. After a battery replacement, the wrist unit is either in time
mode or sleep mode if you have not pressed any buttons.
If the wrist unit is in sleep mode, activate it by pressing
any button twice to go to basic settings mode.
If you press any button within 1 minute of a battery
replacement, the wrist unit goes to basic settings. For more
information on basic settings see page 9.
15. Wearing the transmitter, test that the wrist unit functions
properly. If heart rate measurement does not start or all
digits do not appear to be operating normally, reset the
wrist unit by pressing and holding both buttons until the
display is filled with digits. Then test again.
If this does not resolve the problem, return the unit to an
authorized Polar Service Center.
1. Put the wrist unit on the clean, dust-
free pad, face down.
2. Open the back cover by removing the
four screws with the screwdriver.
3. Bend the hook of the battery holder
with the screwdriver away from the
battery (see picture 1).
4. Insert a small screwdriver in the
battery holder gap and pry the battery
out of its position.
5. Remove the old battery with plastic
tweezers (see picture 2).
6. Insert the new battery with the plastic
tweezers in the battery housing with
the minus (-) side up and close the
battery holder.
Note: Do not use metal tweezers because
they short-circuit the battery.
Grease and dirt from bare fingers weaken
the contact. Make sure your hands are
clean.
2.
1.
