0
Forerunner 50 Owner’s Manual
a
ppendIx
nOTE:
Be careful not to
damage or lose the O-ring
gasket on the cover.
4. Use a coin to twist the cover
back into place.
nOTE:
You do not
need to repeat pairing
or calibration following
battery replacement.
Specifications
Forerunner 50
Watch size:
58 mm × 42 mm ×
20 mm
Wrist band size:
204 mm ×
28 mm × 3 mm
Weight:
44 g
LCD Display:
23.75 mm ×
18.25 mm, with backlight
Water resistance:
30 m
continuous
•
•
•
•
•
nOTE:
To maintain
the water resistance, do
not operate Forerunner
buttons under water.
Data storage:
Up to 100 laps and
up to seven hours of exercise files
Computer interface:
Wireless,
automatic USB ANT stick
Battery type:
User-replaceable
CR2032 (3 volts)
Battery life:
12 months,
depending on usage
Operating temperature range:
5°F–158°F (-15°C–70°C)
radio frequency/protocol:
2.4 GHz/Dynastream ANT+Sport
wireless communications protocol
•
•
•
•
•
•