Boss V-Wah PW-10 Owner's Manual page 28

Setting the DRIVE/Noise Suppressor (DRIVE SELECT Mode)
7. With the WAH RANGE knob, set the
Noise Suppressor threshold level.
You can eliminate louder noises the more
the knob is turned to the right.
The Noise Suppressor is turned off when
the knob is turned completely to the left.
8. When you have set the threshold,
press the MANUAL/MEMORY button.
The MEMORY indicator blinks.
9. When you want to change the output
level for DRIVE, use the DRIVE knob to
adjust the volume level.
* You cannot adjust this output level if DRIVE
is off when Step 8 is carried out.
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10.When you have finished making the
settings, press the MANUAL/MEM-
ORY button.
After the MEMORY indicator blinks and
the settings are saved, the PW-10 returns
to normal operation ("MANUAL" mode).
* You cannot switch between MEMORY and
MANUAL while in DRIVE Mode.