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•Is the volume of your guitar turned down?
3.The volume from the device connected to
the AUX jack is too loud or too soft, or can-
not be heard.
• Adjust the output level of the connected de-
vice.
•Make connections to the headphone jack of
the device, instead of to its line output.
• Are you in Phrase Trainer mode?
Exit Phrase Trainer mode.
• Are you using a connection cable with a built-
in resistor?
4.Effects cannot be heard
•Is the PX4A bypassed? (the effect chain will
be blinking)
•Are the effects used in the program turned
on?
5.Tuner does not work.
•Is the PX4A bypassed or muted?