Boss V-Wah PW-10 Owner's Manual page 19

3. 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 1 is carried out.
4. Hold down the MANUAL/MEMORY button for at least two seconds.
The write operation is completed when the MEMORY indicator begin to blink more rapid-
ly.
fig.09
Blink
* To cancel the write operation, then before you operate the TYPE knob or the WAH RANGE knob.
Blink rapidly
Writing
Storing Settings (Write Operation)
Off
Write finished
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