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4-1
CONTROLLING
Battery installation in the RCU.
A new 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 V battery (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.