Zoom GFX-3 - Manual (Page 11)

Selecting and Playing Patches
ZOOM GFX-3 11
Using the internal tuner
(bypass/mute)
The GFX-3 has a built-in auto-chromatic tuner
for guitars. To use the tuner function, the built-in
effects must be bypassed (temporarily turned
off) or the unit must be muted (original sound
and effect sound turned off).
1.
To set the GFX-3 to the bypass
(mute) condition, press the foot
switch of the currently selected
patch (the switch whose LED is lit).
Pressing and immediately releasing the foot
switch sets the GFX-3 to the bypass condition.
The expression pedal is automatically switched
to function as a volume pedal.
Pressing and holding the foot switch for more
than one second sets the GFX-3 to the mute
condition.
2.
Play the open string you want to
tune.
The display shows the note which is closest to
the current pitch. Adjust the pitch so that the
indicator shows the desired note.
3.
To change the reference pitch of
the tuner, use the [VALUE] dial.
The current reference pitch is briefly shown on
the display. The default setting after power-on is
40 (center A = 440 Hz).
While the reference pitch is shown, you can
change the pitch by turning the [VALUE] dial.
The setting range is 35 (435 Hz) - 45 (445 Hz) in
1-Hz steps. When the GFX-3 is turned off and on
again, it will be reset to 440 Hz.
4. To return to the normal condition,
press one of the foot switches [1] -
[3].
The patch of that foot switch becomes active again.
N OTE
If you switch the bank/group while using the
tuner, the tuner function will be temporarily
disabled. When you return to the original
bank/group, the tuner function becomes
active again.
Release immediately
Bypass
Press and release after
more than 1 second
Mute
A
A
B
C
C
D
D G
G
E
F
F
The note is shown on the left part of the display.
The more the pitch is off, the faster the rotation of the display.
Pitch is sharp Correct pitch Pitch is flat
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