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10
Block Diagram
POWER
AMP
SPEAKER
LINE OUT
THRU/TUNER OUT
FOOT CONTROLLER
EXP PEDAL VOLUME
POWER
AMP
SPEAKER
MAIN IN A
EFX LOOP A
SEND
EFX LOOP A
RETURN
EFX LOOP B
RETURN
EFX LOOP B
SEND
MAIN IN B
MASTER
AMPLIFIER
INPUT (LOW)
INPUT (HIGH)
LOOP [SERIES/PARALLEL]
REVERB
Only when the foot controller is connected
For GA-212 only
DRIVE VOLUME
Other Settings
By holding down specic buttons and switching the unit on simultaneously, the following settings can be congured for the unit.
Settings Operation
Returning to the factory-default settings (*) Hold down the [EFX LOOP B] and [CH4] buttons, and switch the unit on.
Saving to a channel
Automatically saving the channel settings (default) Hold down the [EFX LOOP A] button, and switch the unit on.
Saving the channel settings using the write
operation function (p. 5)
Hold down the [EFX LOOP B] button, and switch the unit on.
DRIVE value after
changing the channel
The value saved in a channel (default) Hold down the [VOICE] button, and switch the unit on.
Current expression pedal value Hold down the [BOOST] button, and switch the unit on.
Sound indicator
Enabling color display (default) Hold down the [MID BOOST] and [VOICE] buttons, and switch the unit on.
Disabling color display Hold down the [MID BOOST] and [BOOST] buttons, and switch the unit on.
Setting the Link mode
* The second amplier
functions according to
the settings on the rst
amplier.
The second amplier reects the foot controller
operation (channel switching, expression pedal, and
On/O of REVERB) (default)
Hold down the [EFX LOOP A] and [MID BOOST] buttons, and switch the unit on.
The second amplier reects all operations on the
front panel (except MASTER) and foot controller
Hold down the [EFX LOOP B] and [MID BOOST] buttons, and switch the unit on.
Copy the channel settings on the rst amplier to the second amplier
With the second amplier turned on, hold down the [EFX LOOP A], [EFX LOOP B], and
[MID BOOST] buttons on the rst amplier, and switch the unit on.
* The settings for each channel also return to the factory-default settings.