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Note that in addition to training intensity, medications for heart conditions, blood pressure, psychological
conditions, asthma, breathing, etc., as well as some energy drinks, alcohol, and nicotine may also affect
heart rate.
It is important to be sensitive to your body’s responses during training. If you feel unexpected pain or
excessive fatigue when training, it is recommended that you stop the training or continue at a lighter
intensity.
Notice to individuals with pacemakers, defibrillators or other implanted electronic devices. Individuals
who have a pacemaker use the Polar training computer at their own risk. Before starting use, we always
recommend a maximal training stress test under a doctor’s supervision. The test is to ensure the safety
and reliability of the simultaneous use of the pacemaker and the Polar training computer.
If you are allergic to any substance that comes into contact with your skin or if you suspect an allergic
reaction due to using the product, check the listed materials in Technical Specifications (page 54). To
avoid any skin reaction to the transmitter, wear it over a shirt, but moisten the shirt well under the
electrodes to ensure flawless operation.
Your safety is important to us. The shape of the s3+ stride sensor* is designed to minimize the possibility
of it getting caught in something. In any case, be careful when running with the stride sensor in
brushwood, for example.
The combined impact of moisture and intense abrasion may cause a black color to come off the transmitter’s
surface, possibly staining light-colored clothes. If you use perfume or insect repellent on your skin, you must
ensure that it does not come into contact with the training computer or the transmitter.
*Optional s3+ stride sensor W.I.N.D. required.
Technical Specifications
Training computer
Battery life:
Average 8-11 months (if you train on average 1h/day, 7 days/week)
Battery type: CR 2032
Battery sealing ring: EPDM O-ring 24.30 x 0.8 mm (No need to change during battery
replacement, if sealing ring is not damaged.)
Operating temperature: -10 °C to +50 °C / 14 °F to 122 °F
Training computer materials: PMMA lens with hard coating in top surface, training computer body
ABS+GF metal parts stainless steel
Wrist strap and buckle materials: Polyurethane (TPU) and stainless steel
Watch accuracy: Better than ± 0.5 seconds / day at 25 °C / 77 °F temperature.
Accuracy of heart rate monitor: ± 1% or 1 bpm, whichever larger. Definition applies to stable conditions.
Heart rate measuring range: 15-240
Current speed display range: 0-127 km/h or 0-75 mph
Water resistance: 30 m (Suitable for bathing and swimming)
Training computer limit values
Maximum number of files:
99
Maximum number of training sessions in
multisport file:
99
Maximum time recorded to file: 99 h 59 min 59 s
Maximum number of laps: 99
Maximum number of laps in multi sport sessions: 99 per sport
Total distance: 999 999 km / 621370 mi
Total duration: 9999h 59 min 59 s
Total calories: 999 999 kcal
Total training files count: 9999
ENGLISH
54 Important Information