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3. Advanced settings:
On BT-1, users can set channels by preference. Please refer to the buttons in colors below:
3.1 Reverse settings:
1. Unplug the System1.5 control board, press button 2(without connecting to BT-1)
2. Put the plug of BT-1 into the System1.5 board.
3. After hearing the beep sound, loose the button and you will hear a second beep.
Then users can start reverse setting:
Push button 1
，
when hear a beep sound
，
BT-1 output channel 1 is in normal operation
，
push
button 1 again to reverse.
Push button 2
，
when hear a beep sound
，
BT-1 output channel 2 is in normal operation
，
push
button 2 again to reverse.
Push button 3
，
when hear a beep sound
，
BT-1 output channel 3 is in normal operation
，
push
button3 again to reverse.
Push button 4
，
when hear a beep sound
，
BT-1 output channel 4 is in normal operation
，
push
button4 again to reverse.
