Identify this control

[danderer]

I know this is a lousy pic but I'm sure someone can quickly identify what this control is for. I've searched for it myself and no joy. Thanks in advance.

 

[PM]

Dehumidfier ?

pete

 

[Kapn]

Exalto wiper control.

 

[danderer]

Exalto wiper control.

Bingo! Thanks.

 

[Knot Fast]

Beverage ordering system for communication with the galley.
Dashes are 1, 2 or 3 beers.
Solid line is the international symbol to bring all the beer.
Pretty sure the bottom symbols are for snacks...