Honeywell RCWL300A - Manual (Page 6)

Installation Instructions
69-2109EFS—05 
Fit the Chime Batteries
To remove the chime battery cover,
press at point B and slide the cover
back 1/4 in. (5 mm), then lift off. Insert
3 x LR6 ‘AA’ alkaline batteries (not
supplied). Observe polarity as marked
inside the battery compartment.
Sliding Window
Release the catch (B) and slide open
the window.
M27200
B
M27201
B
Fig. 3