Start-Up; Inserting/Replacing Batteries - HomeMatic HM-Sec-MDIR-3 Bedienungsanleitung

Ceiling mounting
• Do not yet place the motion detector into the wall/ceiling
bracket.
6

Start-up

6.1

Inserting/replacing batteries

The motion detector requires three 1.5 V LR6/mignon/AA bat-
teries. We recommend you use branded alkaline batteries to
ensure a long service life.
• Move the battery compartment cover (B) up (1) and then
remove it (2).
ø 5 mm
Start-up
43