Owner manual

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7.4 TROUBLESHOOTING

Important note

If no heart rate is shown on the display, this may be due to the

following reasons:

k The belt with the heart rate transmitter is not worn correctly.

k The sensors (electrodes) on the heart rate transmitter are

dirty or dry.

k Interference from electrical sources (high voltage lines,

railway cables, etc.).

k Transmitter battery (CR 2032) is empty (Item no. 00342).

Before starting to train, consult your doctor to avoid risks to

your health. This applies in particular if you have cardio-vascular

problems.

7.5 CHANGING THE BATTERY/WATERPROOFING

AND WARRANTY

Changing the battery

The PC 25.10 is equipped with an „ON/OFF“ battery

compartment.

Please proceed as follows to change the battery:

Open the battery compartment by setting the arrow

in “OPEN” position. Remove the battery compartment

door and insert the new battery. Please make sure that

the + pole is visible. Insert the battery compartment

door with the arrow on “OPEN” and turn it to “ON”.

Note: If you are not using the watch for a longer time,

set the battery compartment door to “OFF” to save the

battery charge.