Boss Audio BV9973 User Manual - Page 29

Touch Screen Operation AV Operation Please plug the RCA on the back of the unit . Touch the AV IN icon to enter the AV IN mode. 10:00 AM As the interface show, here is only the audio output, now tap the icon, the picture of the auxiliary input video show on the display and tap the display again to turn to audio mode. Now you can watch the video from your External video equipment such as Digital Video players, computers, etc. The function of the icons as follow: 10:00AM AV INTERFACE 1 10:00AM Tap to mute the sound. Tap to select EQ as the same on the remote control. Tap to turn LOUD on or off. Tap to select subwoofer frequency. Tap to adjust audio volume. Turning pre-switching for traffic announcements on and off Switching on and off an Alternative frequency Note: To ensure safety while driving and to comply with lows, drivers should not watch video or operate the video device while driving. AV INTERFACE 2 -27-