4-1
CONTROLLING
Battery installation in the RCU.
Anew battery (not yet installed to save the battery life) is delivered inside the plastic bag with the
power cord. Install the battery as follows :
Remove the battery cover on the backside of the RCU by pushing the indicated handle a little to the
bottom of the RCU. Lift up the top side of the cover at the same time (fig. 1).
Insert the new 9 Vbattery (type 6F22S or equivalent) in the lower compartment and connect the
battery to the contact plate.
Insert the battery into the lower compartment and put the cover back.