SUUNTO X3HR - Manual (Page 37)

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Stop watch / Interval timer
• Stop watch range 0 – 19 h 59 min 59 sec
• Lap time range 0 – 9 h 59 min 59 sec
• Lap / split times: max 10 / training session
• Resolution 0.1 sec (until 1h)
1 sec (1h to 19,59 h)
• Interval timer range 1 0 – 59 min 59 sec (Upper row of LCD)
• Interval timer range 2 0 – 39 min 59 sec (middle row of LCD)
• Maximum intervals 99
Heart Rate
• Resolution 1 beat
• Accuracy +/- 1 beat / min
• Display range 30 - 240 beats / min
• HR upper limit 32 – 239
• HR lower limit 31 – 238
• Operating distance: Max range 95 - 135 cm
Transmitter belt
• Weight 59 g
• User replaceable battery CR2032
• Water resistant to 20m/66ft (according to ISO 2281 standard)
• Modulation frequency ca 5kHz