Function Controller Overview - Boss MC900B User Manual

Function controller overview

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1. /SRC
• Press and hold to switch the unit on or to standby.
• Press to select Bluetooth or AUX input mode when switched on.
When Bluetooth mode is selected, the button backlights are illuminated blue; when AUX input mode is
selected, the button backlights are illuminated red.
Note: To enable backlight illumination, make sure the illumination wires are connected (see the section
"Wiring").
2.
Bluetooth status indicator
Flashes when Bluetooth is not connected; solid blue when Bluetooth is connected.
3.
Press to start, pause or resume play.
4.
Decrease volume (press and hold for quick volume decrease).
5.
Press briefly to select the previous track in Bluetooth streaming; press and hold to search fast.
6.
Press briefly to select the next track in Bluetooth streaming; press and hold to search fast.
7.
Increase volume (press and hold for quick volume increase).
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