Cybex Computer Products X3HR ユーザーズマニュアル

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1.5. BATTERY REPLACEMENT OF THE TRANSMITTER BELT
The transmitter belt operates on a 3-Volt lithium cell, type: CR 2032. 
The transmitter belt’s average expected battery life is 300 hours of use in ideal oper-
ating temperatures.When the Suunto X3HR is not receiving a signal but the transmit-
ter belt is active, a change of battery might be necessary. Refer to section 2.4.2 for
other factors that can interfere with a correct signal.
To change the battery 
1. Insert a coin into the slot located on the battery compartment cover on the backside

of the transmitter belt.

2. Turn the coin counterclockwise until it is aligned with the open position marker, or

even slightly further for easy opening.

3. Remove the battery compartment cover. Ensure that the O ring and all surfaces are

clean and dry. Do not stretch the O ring.

4. Remove the old battery carefully.
5. Place the new battery into the battery compartment with the positive side facing up. 
6. With the O ring in the correct position, replace the battery compartment cover and

turn it with the coin clockwise until it is aligned with the close position marker.