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2. Using the Communication Unit
A. Installing Batteries
(1) Remove the battery holder cover on the bottom
of the communication unit. The battery holder
cover is removed by lifting up the tab while
pushing in the direction of the arrow (OPEN).
(2) Install 2 pcs.of size AA alkaline batteries each
(total of 4 pcs. of size AA alkaline batteries) in
the communication unit and battery holder cover
while properly aligning their polarity.
(3) Attach the battery holder cover.
* Securely attach the battery holder cover. If not attached securely, there may be insufficient
contact with the size AA alkaline batteries.
* When removing the battery holder cover, be careful not to damage your nail.
* The size AA alkaline batteries in the communication unit will gradually become worn down even
when not charging. It is recommended to remove the size AA alkaline batteries from the
communication unit when not charging the watch for a long period of time.
B. Attaching and Removing the Watch
(1) Fully open the locking tab on the left side of the communication unit.
(2) Attach the watch to the communication unit so that the two center connection pins of
the four connection pins of the communication unit contact the two terminals at the
3:00 position of the watch (gold colored).