9
The mounting base is fastened onto a vertical surface
with a screw as shown in the following figure. Make sure
that the notch in the housing points up as in the drawing.
Notch points upward
Screw hole
Now the external sensor can be inserted vertically to the
stop in the mounting base.
If the external sensor needs to be dismounted (e.g. to
change batteries), it is pulled out to the front.
