SDE-330, SDX-330, SRV-330: Adjusting Input Level
These units have an adjustable input level for each side of the stereo input.
It is important to adjust the input level according to the output of the
particular instrument that is connected. Use the following procedure to adjust
1) Play the instrument connected to the input.
2) Adjust the INPUT LEVEL knobs (L and R) until the OVER LEDs light up only
during the hottest or loudest portion of the signal.