Aurora Multimedia VR-1FF - Manual (Page 10)

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11.0 Connector Specifications
DC
CONTROL
2.1mm Power Connector (12 volts)
Center is Positive
Outer Shell is Ground
Pins 1,3,5 Note: Pin 2 must be disabled with jumper J9 removed (factory default)
Pin 1 - Ground Pin 3 - TX Pin 5 - RX
Pins 1,2,4,6
Pins 1,2: Volume Up Pins 1,4: Channel + Pins 1,6: Channel -
Pins 1,2,6: TV Pins 1,4,6: FM Pins 1,2,4,6: Volume Down
RS232 -
Contact Closure - Note: Pin 2 must be enable with jumper J9 on VTune
Video
Audio
Yellow RCA Phono Connector
White & Red RCA Phono Connector
Tip - Signal Sleeve - Ground
White is Left Unbalanced Output
Tip - Signal
Sleeve - Ground
Red is Right Unbalanced Output
Tip - Signal
Sleeve - Ground