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Settings for the Entire GR-55 (SYSTEM)
Tab Parameter Value Description
USB
AUDIO IN LEVEL 0–200 Adjusts the volume of the digital audio signal from USB (computer).
AUDIO OUT LEVEL 0–200 Adjusts the volume of the digital audio signal output to USB (computer).
DIRECT MONITOR
OFF
Turn this setting o if the audio data is
being passed through by the computer.
In this case, you won’t hear sound
unless the computer is passing the
audio through.
Audio signal
AUDIO IN
USB IN
Guitar amp
OUTPUT
L/R
AUDIO OUT
USB OUT
Headphones
PHONES
DIRECT
MONITOR
The GR-55’s
sound
Computer
ON
The sound of the GR-55 will be output
directly. Turn this setting “ON” if you’re
using the GR-55 by itself. (If this is “OFF,”
only the sound being input via USB will
be output.)
OTHER
Group Parameter Value Description
GUITAR OUT SOURCE
Species the signal that is output from the GUITAR OUT jack.
If you choose “PATCH,” the GUITAR OUT setting (p.59) of each patch will be used. If you choose any other setting,
that setting will apply at all times. For details, refer to “GUITAR OUT Jack Settings (GUITAR OUT)” (p.70).
PATCH The GUITAR OUT setting (p.59) of each patch will be used.
OFF Nothing will be output from the GUITAR OUT jack.
NORMAL PU The normal pickup sound will be output.
MODELING The modeling tone sound will be output.
BOTH Both the normal pickup sound and the modeling tone sound will be output.
TUNER
MASTER TUNE 435 Hz–445 Hz
Species the reference pitch.
* With the factory settings this is set to “440 Hz.”
TUNER MUTE OFF, ON
Turn this setting “OFF“ if you want sound will be output while you tune your
instrument. If you set this “ON,” sound will not be output while you tune your
instrument
* With the factory settings this is turned “ON.”
AUDIO PLAYER LEVEL 0–200 Adjusts the volume of the audio player.
LCD CONTRAST 1–10 Adjusts the contrast of the display.
POWER AUTO POWER OFF OFF, ON
The GR-55 is able to turn o its power automatically. The power will automatically
turn o when 10 hours have passed since you last played or operated the unit. A
message will appear in the display approximately 15 minutes before the power
turns o.
With the factory settings, this function is turned “ON” (power switches o after 10
hours elapses). Turn this setting “OFF” if you want the power to stay on.
BACKUP/INITIALIZE
Icon Description
BACKUP/RESTORE Refer to “Saving GR-55 Settings to USB Memory (BACKUP)” (p.72).
PEDAL CALIBRATION Refer to “Adjusting the Pedal Sensitivity (CALIB)” (p.73).
FACTORY RESET Refer to “Restoring the Factory Settings (FACTORY RESET)” (p.73).
GUITAR-BASS SELECT Refer to “Selecting Guitar or Bass (GUITAR<->BASS)” (p.9).