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Appendix
Troubleshooting
If you think that the M4 is operating strangely, check the following items first.
Recording/playback trouble
There is no sound or output is very quiet
• Check the orientation of the mic or the volume settings of the connected equipment.
• Confirm that the headphone volume and line output level are not too low.
playback
sounds,
Adjusting the line output
• Check the M4 input source settings.
INPUT 1/2 sources and phantom
• Plug-in power must be supplied if the mic connected to the MIC/LINE IN jack supports plug-in power. (→
Using plugin power
• Increase the volume amplification on the display for the input signal, and increase the monitoring
(→ Adjusting the volume display size to make checking easier
volume.
• Check the phantom power settings.
phantom power
voltage)
Monitored sound is distorted
• Adjust the volume amplification on the display.
easier)
Built-in mic sound is distorted
• Move the M4 away from the sound source. Use a windscreen if air is blown at the mic.
(low-frequency
cut))
INPUT 1/2 sound is distorted
• Adjust the volume of the connected device, and confirm that the M4 input source setting is correct.
(→ Setting INPUT 1/2 sources and phantom
Recording is not possible
• Recording can only be started on the Home Screen. (→ Recording)
• Confirm that the microSD card has open space. The available recording time can be checked on the
screen when recording is paused.
• Confirm that a microSD card is loaded properly in the card slot.
(→ Changing the recording file format for the built-in XY
power)
)
(→ Setting INPUT 1/2 sources and phantom
(→ Home
level)
(→ Adjusting the volume display size to make checking
power)
Screen)
(→ Inserting microSD
116
(→ Monitoring input and
）
power,
Changing
(→ Reducing noise
cards)
mic,
Setting
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