Boss Audio BV8974B User Manual - Page 18

Control Panel UNIT KEYS 11 12 1 MIC 10 4 3 7 5 6 8 9 214 Control Panel 13 Sliding Plate diagram after remo ving Control Panel 1. AUXILIARY INPUT JACK Insert an external device to this AUX jack in order to have audio output of the device through the unit. 2. IR sensor 3&4. VOL+/ VOL- BUTTON In normal mode, these two buttons are used to increase or decrease the volume. And also used as an UP/DOWN knob when audio or video settings are being adjusted when accessed using the SELECT button. -16-