Troubleshooting
Audio Problems
8-2
Audio Problems
CAUTION: To protect your ears, do not troubleshoot audio problems while
wearing headphones. Additionally, always set the PC4 SE and connected
audio system or mixer to a low volume level when troubleshooting audio
problems.
NOTE: When solving audio problems, playing the PC4 SE Demo Songs is an easy way to
test if the audio is working properly. To play the PC4 SE Demo Songs, press the KEYPAD
and 0 buttons simultaneously.
Problem The PC4 SE functions normally but does not produce sound
or has low volume
Solutions If the VOLUME slider is turned down, slowly turn the VOLUME
slider up.
If an expression pedal is plugged into the CC jack, try to turn up
the volume using the expression pedal.
Use the MIDI Panic function by simultaneously pressing the 0
and ENTER buttons to reset the MIDI Volume and Expression
values for all MIDI Channels.
In Global Mode, go to the MIDI page and set the Destination
parameter to “USB+MIDI+LOCAL”.
If the volume control on your audio system or mixer is turned
down, slowly turn the volume control up.
If your audio cables are not securely plugged into the PC4 SE,
audio system, or mixer, set the volume of the audio or mixer to
the lowest level, securely plug in the audio cables on both ends,
and then slowly turn up the volume.
Try using different audio cables. Obtain and securely connect the
correct type of audio cables. The PC4 SE accepts both balanced
(TRS) and unbalanced (TS) 1/4-inch audio cables.
If the signal source selection on your audio system or mixer is
incorrect, set the volume of the audio or mixer to the lowest level,
select the correct signal source, and then slowly turn up the
volume.
If the input to your audio system or mixer is set for low
impedance, set the volume of the audio or mixer to the lowest
level, change the impedance setting to high, and then slowly turn
up the volume of the audio system or mixer.
If the input trim to your audio system or mixer is set too low,
slowly turn up the trim on your audio system or mixer.
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