QEO FMR 800-M/C Mode D'emploi page 25

POWER SUPPLY FRD 807
The remote display FRD 807 requires 4 AA alkaline batteries.
Changing the batteries:
Remove the battery compartment cover (one screw) and remove the batteries.
Insert new batteries and follow the battery compartment symbols to ensure the correct polarity.
Replace the battery compartment cover.
Battery compartment
cover
EN
C
25