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Troubleshooting
f you suspect a malfunction, please check the following points first. If this does
I
not resolve the problem, please contact your dealer or Korg authorized service
center.
1. Power does not turn on
• Is the AC adapter connected to the rear panel DC9V jack?
• Is the AC adapter plugged into an AC outlet?
• Could the AC adapter be damaged?
2. There's no sound
• Is your guitar turned up?
• Are both ends of your guitar cable plugged into the correct jacks?
• Is your guitar cable working?
• Could the rear panel OUTPUT LEVEL knob be turned down?
• Check the GAIN, VOLUME, TREBLE, MIDDLE, BASS, and PROG LVL settings.
For some amp types, you might not hear any sound if the TREBLE, MIDDLE,
and BASS settings are turned down – just like the circuitry on the original amp!
• Are there any effects turned down in volume?
• Could an expression pedal be at the minimum position with a parameter such
as DRIVE, LEVEL assigned to it?
• Could you have activated the Mute function? Defeat the Mute function as
explained in "Tuner (Bypass, Mute)" on p.21.
3. You can't hear any effects even though they're dialed in...
• Are the effect LEDs lit?
If an LED is dark, the corresponding effect is off.
Press the category select button to turn on the effect.
• Could the modulation "DEPTH" or the delay/reverb "MIX" be set to a low value?
Use the category select switch to select the effect, and turn the appropriate
value knobs to adjust the parameters.
• Could the effect be bypassed?
Defeat the Bypass function as explained in "Tuner (Bypass, Mute)" on p.21.
4. You're using the ACOUSTIC pedal effect and getting high
frequency distortion.
• Could the Drive setting be excessively high?
• Are you using a very high output humbucking pickup?
Either turn down the volume of your guitar, the Amp GAIN or Treble setting for
the pedal.
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