they r used for controlling the OSD menu. Can u swith through this menu. Sorry for these questions. I live in Dubai. We don't have this screen here, so i have to make sure before i ket my friend send it from the states.
Car: 2002 Mitsubishi Magna EI CarPC: SP13000, M2-ATX, 512 MB RAM, 120 GB 2.5" HD, X-Fi Sound Card, Xenarc 700TSV, Garmin 18 USB. Audio: 2X15" Rockford Punch Z, 1 Rockford Punch 2-ch Amp, 1 Soundstream Lil Wonder II 4-ch Amp