Boss Audio BV9979B User Manual - Page 32

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 10:00AM AV INTERFACE 1 The function of the icons as follow: 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 Tap to turn to BT PHONE mode. (after pairing and connecting a mobile phone with bluetooth function). Note: To ensure safety while driving and to comply with lows, drivers should not watch video or operate the video device while driving. 10:00AM AV INTERFACE 2 Now you can watch the video from your External video equipment such as Digital Video players, computers, etc. -30-