Sigma ONYX EASY Manual Del Usuario página 59

7.4 Trouble-
shooting
Please refer to chapter 2.4 "Heart Rate Measurement"
for more information.
No chest belt was found.
Please ensure you have placed
the chestbelt correctly.
Press -> SYNC to restart
synchronization.
During synchronization two or
more chest belts were found
close by.
Move away and press
-> SYNC again to start
synchronization.
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