Roland UA-4FX2, Руководство пользователя

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13
Problem Items to Check Action
Sound played back from the
computer is inaudible or too
quiet
Can you hear sound when headphones are
connected?
If you can hear sound in headphones that are connected to the PHONES/
HEADSET jack, check whether your audio playback device (external
monitor) is connected correctly, and adjust its volume.
If you can’t hear sound in the headphones, or if it’s not loud enough,
check the other items.
Could the UA-4FX2’s [OUTPUT] knob be
turned down?
Use the UA-4FX2’s [OUTPUT] knob to adjust the volume.
Could the volume of your Windows computer
or Mac be turned down?
Adjust the system volume (“System volume setting”).
Windows
Could you be using voice
communication software?
Disable automatic volume adjustment (“Voice communication software
setting”).
Guitar sound is not loud
enough
Is the guitar connected to the correct jack? Connect it to the MIC/GUITAR jack.
Could the input level be turned down? Use the [MIC/GUITAR] knob to adjust the input level.
Mic sound is not loud
enough
Is the [MIC/GUITAR] switch set to “MIC”? Set the [MIC/GUITAR] switch to “MIC.”
Is the sensitivity of the mic you’re using
appropriate for the rated input level of the
UA-4FX2?
The UA-4FX2’s mic input has a rated input level of -56–-18 dBu. If the
sensitivity of your mic is low, the volume will be less.
Sound of the device
connected to the input jack
is distorted
Could the LEVEL indicator be lit red?
Turn the [MIC/GUITAR] knob or the [LINE IN] knob toward the left to lower
the input level.
Interruptions or dropouts
in the sound occur during
playback or recording
Could multiple items of software be running? Close the software that you’re not using.
Could you have adjusted the buffer size of the
software?
If your software allows the audio buffer size to be adjusted, change the
setting. Refer to the owner’s manual of your software.
Windows
Have you run Windows Update
or Microsoft Update?
Execute Windows Update or Microsoft Update to update your system.
Mac
Have you updated your
software?
Update your software so that your system is the latest version.
Have you updated the chipset and graphics
drivers of your computer?
Update to the latest drivers.
Have you updated the LAN (wired and
wireless) drivers?
Install the latest LAN drivers.
If this does not solve the problem, disable the LAN.
Windows
Could the Windows power
management settings be set to power-saving
mode?
Refer to the README as follows.
1. Open “Control Panel,” set “View” to [Large Icons] or [Small Icons], and
click “UA-4FX2.”
2. Click the [View README] button.
Windows
Have you made system
“Performance” settings?
Could the UA-4FX2 be connected to a USB
hub?
Connect the UA-4FX2 directly to a USB port on your computer.
Are you using the included USB cable?
Use the included USB cable.
Some commercially available USB cables do not comply with USB
specifications, and the UA-4FX2 might not work correctly with them.
Windows
Could the Windows
monitoring function be enabled?
Disable the Windows monitoring function (“Windows monitoring
function settings”).
Could you be playing back or recording
immediately after the computer starts or
returns from the sleep state?
Wait a while before you play back or record.
Noise or distortion occur
in other than the audio
playback from the computer
Is a guitar connected?
Try moving the guitar as far away from the computer as possible.
If lowering the volume of the guitar decreases the noise, the guitar’s
pickups might be affected by noise from the computer or the display.
Could an unused mic or guitar have been left
connected?
Disconnect the unused mic or guitar, and turn the [MIC/GUITAR] knob all
the way to the left to lower the input level.
Could a MIDI sound module and the UA-4FX2
be connected via USB to the same computer,
and the audio output of the MIDI sound
module be connected to the LINE IN jack of
the UA-4FX2?
Connect the MIDI sound module and the UA-4FX2 to a self-powered USB
hub (a USB hub that is connected to an AC adaptor).
Is your equipment grounded correctly?
In some cases, the problem can be solved by electrically grounding a
metal component of your computer or the ground pin of your computer’s
power cord. You should also check whether a strong magnetic field is
being generated by a nearby device such as a television or microwave
oven.