Appendix

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

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Forerunner 50 Owner’s Manual