JK Audio BluePack - Manual (Page 9)

Controls & Indicators
3
6) Headphones Control
Sets the level of audio sent to the
headphone output jack.
7) Power Indicator
LED indicates when the power is
turned on and dims when the battery
charge is getting low.
8) Multi-Function Button (MFB)
Establish a connection with your
Bluetooth enabled cell phone, laptop
or other device.
9) Power Button
Press to activate the unit. Press again
to turn the unit off.
Controls & Indicators
3) Aux Send Control
Adjusts the level of audio from the
3.5 mm Aux Send input jack.
4) Stereo LED (Listen-Only)
The <st> LED flashes Red when the
BluePack has a stereo listen-only
(Headset) audio connection with your
Bluetooth device.
When you receive an incoming phone
call, the stereo LED will turn off.
This LED will flash Green when the
unit is in Master mode, sourcing
stereo A2DP audio to a Bluetooth
enabled headset device
5) Bluetooth LED
See section on Bluetooth Wireless
Technology.