The forward plafond copes the switch A
(fig. 1.13)
having 2 provisions: «ON» – lighting is constantly included also by "DOOR" – lighting automatically joins when opening forward doors. Depending on a complete set 2 lamps of local lighting can be established, each of which joins the switch B.
The back plafond copes the switch having 3 provisions: «ON» – lighting is constantly included, «OFF» – lighting is switched constantly off also by "DOOR" – lighting automatically joins when opening doors.