Troubleshooting
If you don't know where you are in the menu, press and
hold BACK until the time of day is displayed.
If there are no reactions to any buttons or the wrist unit
displays unusual readings, reset the wrist unit by pressing four buttons (UP, DOWN, BACK and LIGHT) simultaneously for four seconds. All other settings but time and date are saved.
If the heart rate reading becomes erratic, extremely high
or shows nil (00), make sure that there are no other heart rate transmitters within 1 m/3 ft and that the transmitter strap/the textile electrodes fit snugly and are moistened, clean and undamaged.
If the heart rate measurement does not work with the sports apparel, try measuring using the strap. If it works, the problem is most probably in the apparel. Please contact the apparel retailer/manufacturer.
E N G L I S H
Strong electromagnetic signals can cause erratic readings. Electromagnetic disturbances may occur near
If the abnormal reading continues despite moving away from the source of disturbance, slow down and check your pulse manually. If you feel it corresponds to the high reading on the display, you may be experiencing cardiac arrhythmia. Most cases of arrhythmia are not serious, but consult your doctor nevertheless.
A cardiac event may have altered your ECG waveform. In this case, consult your physician.
If heart rate measurement does not work despite the actions mentioned previously, the battery of your transmitter may be empty.
Customer Service Information 41