• Check the batteries. If they are low the range may be
less.
NOTE Signal interference in the environment can be due
to electromagnetic disturbances. These may occur near high
voltage power lines, traffic lights, overhead lines of electric
railways, electric bus lines or trams, televisions, car motors,
bike computers, some motor driven exercise equipment,
cellular phones or when you walk through electric security
gates. Under interference, the heart rate reading may
become unstable and inaccurate.
SWITCH OPERATION MODES
Press MODE to switch between the 4 operation modes.
Each main mode displays a banner screen telling you which
mode you are entering. After 1 second the banner screen is
automatically replaced by the main mode screen.
MODE BANNER MAIN MODE
CLOCK
STOPWATCH
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