SIGMA SPORT TOPLINE ONYX PRO Mode D'emploi page 61

2.4 MEASURING THE HEARTBEAT
Before starting to train you have to synchronise
the chest belt with the watch once.
Select any training and press the Navigation
button k ENTER.
The synchronisation starts automatically and
takes just a few seconds.
Note: If you do not see this indication on your
watch synchronisation has already been
completed successfully.
After successful synchronisation your ONYX
PRO gives a short confirmation with "Sync ok".
After your ONYX PRO has successfully synchro-
nised with your chest belt you can start training
by pressing k START.
Note: please refer to Chapter 7.6 "Trouble-
shooting" for possible problems with synchro-
nisation.
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