Zoom GFX-1 Operation Manual page 15

Making/Changing DRIVE Module Settings
Adjust the DRIVE module gain
Press one of the GAIN [+] / [-] keys.
Depending on which effect type is currently
selected, distortion depth or signal gain changes.
The GAIN parameter value is shown for about 2
seconds on the display.
To switch the
DRIVE module
on or off
Press the GAIN [+] / [-]
keys together.
When the DRIVE module is
switched off, the DRIVE
LED goes out.
HINT
The change made in this way is
only temporary. When you
select a different patch, the
setting will revert to the original
condition. If you want to keep
the change, store the patch, as
described on page 18.
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