User Manual

Forerunner 50 Owner’s Manual 27
aPPendix
Heart Rate Monitor Battery
The heart rate monitor contains a
user-replaceable CR2032 battery.
To replace the battery:
1. Locate the circular battery
cover on the back of the heart
rate monitor.
2. Use a coin to twist the cover
counter-clockwise so the
arrow on the cover points to
OPEN.
3. Remove the cover and
replace the battery with the
positive side facing up.
NOTE: Be careful not to
damage or lose the o-ring
gasket on the cover.
4. Use a coin to twist the cover
clockwise so the arrow on the
cover points to CLOSE.
Foot Pod Battery
The foot pod contains a user-
replaceable CR2032 battery.
When the battery is low, the LED
blinks six times upon activation
(instead of three). Approximately
ve hours of battery life remain.
Also, the Lo BATT warning appears
in Sport mode when a workout starts
or stops.
190-00839-00_0D.indd 27 7/31/2007 1:48:44 PM