I/O:
IN - Bass guitar input
A SEND - To input of pedal in the loop A*
A RETURN - To the output of the pedal in loop A*
B SEND - To input of pedal in the loop B*
B RETURN - To the output of the pedal in loop B*
OUT - To input of amp
9V - 9V (only) center negative DC input
* When nothing is in the loop the send and return are connected. This means you can run each channel as a standalone EQ. Think of the possibilities.
CONTROLS:
BYPASS - Engages pedal
LOOP A - Engages Effects Loop A (BYPASS MUST BE ENGAGED)
LOOP B - Engages Effects Loop B (BYPASS MUST BE ENGAGED)
DRY LPF - Adjusts the frequency response of your clean signal. Up is low passed at 200Hz. Down is full range.
DRY LEVEL - Volume of clean signal
BASS - 100Hz boost/cut on effects loop signal
MID - 800Hz boost/cut on effects loop signal
TREBLE - 2.2kHz boost/cut on effects loop signal
LEVEL - Adjusts output level of effects loop signal
POLARITY - Adjusts the polarity of the effects loop signal from 0 to 180 degrees.
More details are available in the Dirt Ripper Manual.