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• Are you taking any blood pressure or heart medication?
• Do you have a history of breathing problems?
• Are you recovering from a serious illness or medical treatment?
• Do you use a pacemaker or other implanted electronic device?
• Do you smoke?
• Are you pregnant?
Note that in addition to exercise 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 exercise. If you feel unexpected pain or
excessive fatigue when exercising, it is recommended that you stop the exercise or continue at a lighter
intensity.
Note! If you are using a pacemaker, you can use Polar training computers. In theory interference to
pacemaker caused by Polar products should not be possible. In practice no reports exist to suggest anyone
ever having experienced interference. We cannot however issue an official guarantee on our products'
suitability with all pacemakers or other implanted devices due to the variety of devices available. If you
have any doubts, or if you experience any unusual sensations while using Polar products, please consult
your physician or contact the implanted electronic device manufacturer to determine safety in your case.
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. To avoid any
skin reaction to the heart rate sensor, wear it over a shirt, but moisten the shirt well under the electrodes
to ensure flawless operation.
The combined impact of moisture and intense abrasion may cause a black color to come off the heart rate sensor’s
surface, possibly staining light-colored clothes. If you use insect repellent on your skin, you must ensure that it
does not come into contact with the heart rate sensor.
Technical Specifications
Cycling computer
Battery life:
Average 3 years (if you train on avg. 1h/day, 7 days/week)
Battery type: CR 2354
Battery sealing ring: Silicone D-ring 28.0 x 0.8mm (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
Cycling Computer Materials: PMMA lens with hard coating in top surface, cycling computer body
ABS+GF/PA+GF, metal parts stainless steel (nickel free)
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
Altitude display range: -550 m … +9000 m / -1800 ft … +29500 ft
Ascent resolution: 5 m / 20 ft
Cycling computer limit values
Maximum number of files:
30
Maximum recording time:
Heart rate 144 h 20 min*
Heart rate + speed 78 h 03 min*
Heart rate + speed +
cadence
67 h 09 min*
Heart rate + cadence 111 h 01 min*
Heart rate + speed +
power
15 h 12 min**
ENGLISH
32 Important Information