Rosen Aviation 1700 Series : 17 inch SlimLine - Manual (Page 9)

Page 8 Rosen Aviation Displays
Pinouts
The external VIP control interface is a 9-pin standard density
D-subminiature male connector. Each function can be
activated by a momentary connection to ground.
Pin Control Signal
1 Power On/Off
2 Source Select
3 N/C
4 Up
5 Down
6 Menu/Select
7 Left
8 Right
9 Ground (Switch Common)
External Control Interface (0300-402)