Changing The Battery And Warranty - SIGMA SPORT ONYX PRO Manual

Important If no heart rate is shown on the display, this may be due
information to the following reasons:
k The belt with the heart rate transmitter is not worn
correctly
k The sensors (electrodes) on the heart rate trans-
mitter are dirty or dry
k Interference from electrical sources (high voltage
lines, railways 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.
PAGE 52
Changing the battery
7.7 Changing the
battery and
Battery CR 2032 (item no. 00342) is used
warranty
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!