Appendix
Troubleshooting
If you think that the R4 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.
• Check the headphone connection. (→ Left, right and front sides)
• Confirm that the headphone volume is not lowered. (→ Monitoring input/playback sounds)
• Confirm that the channel faders are not too low. (→ Front and back)
• Check the R4 input source settings. (→ Making input settings)
• Check phantom power settings. (→ Selecting tracks for recording)
• Confirm that the INPUT A/MIC (built-in) switch is set as intended. (→ Front and back)
• Confirm that the level meters are rising above a certain level. (→ Home Screen)
Built-in mic sound is distorted
• The level of the sound being input through the mic is too high. Move the R4 built-in mic and the sound
source further apart.
INPUT A/B sound is distorted
• Adjust the volume of the connected device, and confirm that the R4 input source setting is correct. (→
Making input settings)
Recording is not possible
• Confirm that the INPUT A/MIC (built-in) switch is set as intended. (→ Front and back)
• Confirm that the connected device is connected correctly. (→ Connecting mics and guitars to INPUT A/B)
• Check recording track settings. (→ Making input settings)
• Confirm that the microSD card has open space. (→ Checking microSD card information)
• Confirm that a microSD card is loaded properly in the card slot.
• Confirm that the microSD card has no problems and can be used with the R4. (→ Testing microSD cards)
The recorded sound breaks up
• Use the R4 to format the microSD card. (→ Formatting microSD cards)
• Confirm that the microSD card has no problems and can be used with the R4. (→ Testing microSD cards)
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