4
Electronic alarm system
117
Replacing radio operated control
batteries
If, when one of the three buttons is
pressed, the corresponding function
does not activate, replace the remote
control battery after checking the
operation of the alarm system
functions with the other remote
control.
To replace the remote control battery:
– extract the key by pressing button E
– undo the screw F
– remove the battery support G
– extract the battery H from its
retaining ring
– fit a new battery of the same type,
observing the indicated polarity
– fit the battery support G into the
remote control and secure it by
tightening the screw F.
E
G
F
H
M139_UM_usa1.book Page 117 Monday, September 1, 2008 2:39 PM