Anti-theft alarm. Is your door squeaking? Then it is not properly locked.
Do you have a room on the 3rd floor? Then one or more windows work electrically.
(Room 3.1 - 3.2 and 3.3 - Channel 1. Room 3.4 - Channel 4.)
- Open the window [Button top left]
- Close the window [Button left-center]
- Open the screen [Top right button]
- Close the screen [Button right-center]
Change the channel by clicking the bottom left or bottom right