SIGMA SPORT ONYX EASY User Manual download pdf (Page 33)

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,

railways etc.).

k Transmitter battery (CR 2032) is dead (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.

Changing the battery

Battery CR 2032 (Item no. 00342) is used in

the heart rate monitor and chest belt.

Chestbelt:

k Open the top cover with a coin

k Pay attention to the polarity!

Heart rate monitor:

k Open top cover with tool.

k Pay attention to polarity!

7.5 CHANGING THE BATTERY AND WARRANTY

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SIGMA SPORT ONYX EASY User Manual Page 33