SUUNTO Advizor - Manual (Page 19)

13
9. turn the coin clockwise to the close position marked on the back of the case.
Note: Battery replacement should be performed with extreme care so as to ensure the Wristop Computer continues to
remain waterproof. It is the operator’s responsibility to take due care to ensure that the Wristop Computer remains
waterproof.
Note: After every battery replacement, it is necessary to calibrate the magnetic sensor. Details on performing this process
are found in Calibrating the Compass section of this guide.
1.8.2 Battery Replacement of the Suunto Transmitter Belt
The Suunto transmitter belt battery’s average expected life is 300 hours. When the battery life has exhausted, the user
can replace the battery by following the same instructions that are given concerning the battery replacement of the
Wristop Computer.
CHAPTER 2 HEART RATE MONITOR
The transmitter features:
• Battery type: CR 2032 (replaceable by the user).
• Battery life: approximately 300 hours.
• Available in different sizes.
The Suunto transmitter belt has to be sent along with the Wristop Computer in case of maintenance.
2.1 SUUNTO WRISTOP COMPUTER AND TRANSMITTER IN
A WATER ENVIRONMENT
Suunto Wristop Computer is water proof to a depth of 30m/100ft. To maintain the water resistance, it is strongly
recommended to have all service done by authorised Suunto service personnel.
Heart rate measurement in a water environment is technically demanding for the following reasons:
• Pool water with a high chlorine content and seawater may be very conductive and the electrodes of the transmitter may
get short circuited and ECG (ECG = electrocardiogram) signals cannot be detected by the transmitter unit.
• Jumping into the water or strenuous muscle movement during competitive swimming may cause water resistance that