500.0021-A
5
Subject to technical changes
3.4.
Replacing the battery
If it is necessary to replace the battery (section 4.1.), keep to the following procedure:
1.
Purchase a battery (9V ALKALINE
block battery)
Note the expiration date!
2.
Using the lug positioned on top of
the keypad, release the keypad by
pulling it out of the input unit.
3.
Carefully fold the keypad
downwards.
4.
Disconnect the old battery from the
cable inside, and connect the new
battery to the cable. Insert the
battery and cable into the housing
of the input unit.
5.
Fold the keypad back up and apply
gentle pressure to click it into the
housing of the input unit:
Insert the cable above the battery
into the housing.
Avoid jamming the cable!
