Operation Manual

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Coded transmission
The chest belt's transmissions are digitally coded to prevent
interference if you are training with a training partner who is using an
identical watch and chest belt.
When using the chest belt for the first time, a random channel is
selected automatically. The channel is briefly displayed at the top of the
display upon entering the heart rate display mode. The available
channels are CH10, CH11, CH12, CH13 and CH14.
The channel can be changed by briefly removing the battery from the
chest best and reinserting it. The chest belt will randomly select a
channel and after approx. 1 minute the heart rate and the new channel
will appear on the display of the watch.
Troubleshooting
The heart rate is not shown or is shown incorrectly
Make sure the chest belt is positioned correctly and fits well.
Your skin should not be too dry or too cold.
The contact areas can be slightly moistened to improve function.
Electromagnetic interference may have an adverse effect on reception.
The distance between watch and chest belt must be under 70cm.
Other heart rate measuring devices within a 2m range may also cause
interference.
Wireless bicycle computers may cause interference.
The batteries may be low and require replacing.
The display is unreadable / the light does not work
Replace the batteries.