While MYZONE is shown on the display, press SEL to enter setting mode for the
custom workout target heart rate zone. The lower limit of the zone will blink on the
display. Press SET/LIGHT to set the lower limit and confirm your setting by pressing
SEL. Set the upper limit in the same manner.
Alarm for workout target heart rate zone
Press SET/LIGHT to activate (ON) or deactivate (OFF) the alarm for the selected
limit. Confirm your settings by pressing SEL.
lower limit upper limit maximum heart rate
Alarm for heart rate exceeding maximum heart rate
If your heart rate reaches 99% of the maximum heart rate or exceeds the maximum
heart rate, a steady alarm tone will sound. The alarm tone will stop when your heart
rate drops to below 99% of the maximum heart rate.