SUUNTO M4 - Manual (Page 40)

18 SPECIFICATIONS
18.1 Technical specifications
General
● Operating temperature: -10° C to +50° C / +14° F to +122° F
● Storage temperature: -30° C to +60° C / -22° F to +140° F
● Weight (device): 40 g / 1.41 oz
● Weight (HR belt): max. 55 g / 1.95 oz
● Water resistance (device): 30 m / 100 ft (ISO 2281)
● Water resistance (HR belt): 20 m / 66 ft (ISO 2281)
● Transmission frequency (belt): 5.3 kHz inductive, gym equipment and 2.465
GHz Suunto-ANT compatible
● Transmission range: ~ 2 m / 6 ft
● User-replaceable battery (device / HR belt): 3V CR2032
● Battery life (device / HR belt): approximately 1 year in normal use (2.5 h /
week exercise with HR)
Log recorder/stopwatch
● Maximum log time: 9 hours 59 minutes and 59 seconds
● Resolution: The first 9.9 seconds are shown with 0.1 second accuracy. After
10 seconds the duration is shown with 1 second accuracy.
Totals
● Maximum number of logs in device memory: 80
● Total exercise time: 0 - 9999 h (After 9999 h back to 0 h)
● Last 4 weeks kcal and duration: 0 - 99999 kcal, duration 00:01 - 99:59
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