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Batteries
Transmitter
The estimated average battery life of the transmitter is 2500 hours of
use. Contact your authorized Polar service center for a replacement
transmitter. Polar recycles used transmitters. See your Customer Care
Charter for detailed instructions.
Wrist Receiver
The estimated average battery life of the wrist receiver is 2 years in
normal use (2h/ day, 7 days a week). Please note that excessive use of the
backlight and the alarm signals will drain the battery more rapidly. Do
not open the wrist receiver yourself. To ensure the water resistance
properties and the use of qualified components, the wrist receiver
battery should be replaced by an authorized Polar Service Center only.
At the same time a full periodic check of the Polar heart rate monitor
will be done.
Battery Replacement for Polar Speed Sensor
The estimated average battery life of the Polar Speed Sensor is 2500
hours of use. We highly recommend you send the speed sensor to an
authorized Polar Service Center for battery replacement, where the unit
is tested for water resistance after the battery is replaced. However, if
you prefer changing the battery yourself, please follow these
instructions carefully:
Detach the sensor from your bicycle.
1. Open the sensor by removing the two small screws, counter-clockwise,
with a small screwdriver.
2. Lift the case off carefully. Hold the sensor cover upwards so that the
PCBA (printed circuit board assembled) stays in the case.
3. Remove the PCBA carefully.
4. Press the battery holder gently. Release a hook of the holder from
the opposite side of the PCBA and lift the holder upwards. Remove
the old battery.
5. Insert a new battery with the plus (+) side facing up and press the
battery housing gently so that it is attached to the PCBA at all corners.
6. Put the PCBA back into place.
7. Check that the sealing ring stays in its groove. Replace the cover back.
8. Insert the two screws in their holes and tighten them gradually in turn.
9. Test the sensor by checking that it gives out an orange flash when the
spoke magnet passes the speed sensor.
10.Do not throw the replaced battery away with normal waste; take it to a
place where problem waste is handled.
Service
Should your Polar heart rate monitor need service, see the Customer Care
Charter to contact an authorized Polar Service Center.
Water resistance cannot be guaranteed after unauthorized service.
S510 S520 manual USA GBR A.pm6 7/2/02, 12:5982-83