User manual

7. Changing the battery
a) Chest strap
• Change the battery when the watch stops displaying heart rate data.
If you are not sure how to change the battery, consult a technician.
• Use a coin to open the battery compartment on the back of the product. Turn the battery
compartment cover anticlockwise until you can remove it.
• Place a CR2032 battery into the battery compartment in the correct polarity. The positive
terminal (+) must face outwards towards you.
• Replace the battery compartment cover and turn it clockwise to lock it in place.
b) Watch
• Change the watch battery if the display is very weak or stops working.
If you are not sure how to change the battery, consult a technician.
• Remove the four screws on the back of the watch.
• Carefully remove the rear cover. Take care not to damage the seal.
• Now you need to loosen the clamp that holds the battery in place, ideally using a sharp
object such as a paper clip or a needle. Insert the object into the small slot and then pull
the clamp out.
• Then use the object to remove the battery from the compartment.
• Place a CR2032 battery into the battery compartment in the correct polarity and secure the
clamp. The positive terminal (+) must face outwards towards you.
• Replace the battery compartment cover and screw it in place.
• Press the clamp until it clicks into place.
• Finally, place the rubber sealing back into the slot (if applicable).
• Place the rear cover back onto the watch and carefully screw the 4 screws in place.
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