PROFESSIONAL AUDIO MIXER
20
MX-1646D
Troubleshooting
Troubleshooting
Problems Troubleshooting
Audio is not output
1) Check whether the power is supplied to the mixer.
2) Check whether the fader volume of the connected input channel is in the
minimum position.
3) Check whether the bus selection switch of the connected input channel is pressed.
4) Check whether the contact closure is attached on the rear panel.
Audio is not output
when playing a file in
USB/SD
1) Check whether the USB/SD ON/OFF switch is pressed.
2) Check whether the USB/SD VOLUME is adjusted to an appropriate level.
3) Check whether the fader volume of ST4 channel is adjusted to appropriate level.
4) Check whether the bus selection switch of the ST4 channel is pressed.
The audio signal is
distorted
1) Check whether the INPUT GAIN VOLUME is adjusted to high level.
2) Check whether the PEAK (over input) LED blinks in red.
3) Check whether the OUTPUT LEVEL METER LED blinks in red.
The effector sound is
not output
1) Check whether the FX volume for the corresponding input is in minimum position.
2) Check whether the FX output volume is in minimum position.
3) Check whether the effector output selection switch is pressed.
Sound is not output
after connecting
PC audio
1) Check whether USB Audio DAC is added in Computer Management - Device
Manager - Audio Input and Output Item.
2) Check whether output device is set to USB Audio DAC in Control Panel -
System- Sound Settings.
3) Check whether the fader volume of the ST3 channel is adjusted to an
appropriate level.
4) Check whether the PC AUDIO selection switch of the ST3 channel is pressed.
5) Check whether the bus selection switch of the ST3 channel is pressed.
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