Roland v-synth xt 业主指南
194
Troubleshooting
Problems Related to the USB Driver (Windows)
No sound from connected
MIDI device
MIDI device
Is the instrument set to transmit MIDI messages?
Does the MIDI transmit channel for the V-Synth XT
match the MIDI receive channel for the connected
MIDI device?
match the MIDI receive channel for the connected
MIDI device?
Exclusive messages are not
received
received
Is the instrument set to receive Exclusive messages?
Does the Device ID number of the transmitting device
match the Device ID number of the V-Synth XT?
match the Device ID number of the V-Synth XT?
Noise is heard while sampling
During sampling, the output frequency of the digital
audio interface is fixed at 44.1 kHz, regardless of the
System mode setting. Noise may be heard from con-
nected devices at this time.
audio interface is fixed at 44.1 kHz, regardless of the
System mode setting. Noise may be heard from con-
nected devices at this time.
This is not a malfunction.
Can’t edit or encode a wave
Could you have selected a preset wave?
The V-Synth XT’s factory-loaded preset waves cannot
be edited or encoded. Select a sample that you’ve sam-
pled or imported.
be edited or encoded. Select a sample that you’ve sam-
pled or imported.
Beep tone was turned off, but
it continues to sound the next
time power is turned on
it continues to sound the next
time power is turned on
The Power-up Mode is set to “Default.”
Problem
Cause
Action
When I start (or restart) my
computer with the V-Synth XT
connected via USB, it freezes
at the startup screen and fails
to work
computer with the V-Synth XT
connected via USB, it freezes
at the startup screen and fails
to work
It has been found that on some computers, starting (or
restarting) the computer while the V-Synth XT is pow-
ered up and USB is connected will cause the computer
to freeze at the startup screen and fail to work.
restarting) the computer while the V-Synth XT is pow-
ered up and USB is connected will cause the computer
to freeze at the startup screen and fail to work.
Switch off the V-Synth XT and then restart your com-
puter.
puter.
When I turned off the power of
the V-Synth XT, an error oc-
curred in Windows
the V-Synth XT, an error oc-
curred in Windows
When using Windows Me, powering down the V-
Synth XT without unmounting the drive may cause an
error to occur in Windows.
Synth XT without unmounting the drive may cause an
error to occur in Windows.
You must cancel the USB connection (p. 140) before
you turn off the power of the V-Synth XT.
you turn off the power of the V-Synth XT.
When I attempt to exit Win-
dows while leaving the V-
Synth XT powered up, the
computer does not turn off
dows while leaving the V-
Synth XT powered up, the
computer does not turn off
On some Windows computers, it has been reported
that the computer cannot be powered down if you exit
Windows when the V-Synth XT is still powered up
(without unmounting the drive). (The shutdown pro-
cess halts before the computer’s power is switched off.)
that the computer cannot be powered down if you exit
Windows when the V-Synth XT is still powered up
(without unmounting the drive). (The shutdown pro-
cess halts before the computer’s power is switched off.)
You must cancel the USB connection (p. 140) before
you turn off the power of the V-Synth XT before you
exit Windows.
you turn off the power of the V-Synth XT before you
exit Windows.
When I connect the V-Synth
XT via USB and wake up my
computer from Suspend, it
stops functioning
XT via USB and wake up my
computer from Suspend, it
stops functioning
On some computers, waking up the computer from the
Suspend state while a powered-up V-Synth XT is con-
nected via USB will cause the computer to freeze.
Suspend state while a powered-up V-Synth XT is con-
nected via USB will cause the computer to freeze.
Before you Suspend your computer, power down the
V-Synth XT using the procedure described on p. 140.
V-Synth XT using the procedure described on p. 140.
V-Synth XT drive is not
mounted in Windows XP
mounted in Windows XP
If a network drive is mounted in Windows XP, that
drive number may conflict with the V-Synth XT drive,
causing the V-Synth XT drive to not be recognized.
drive number may conflict with the V-Synth XT drive,
causing the V-Synth XT drive to not be recognized.
Change the assignment of the network drive.
“Find new hardware wizard”
does not execute automati-
cally
The “Insert Disk” dialog box
does not appear
“Find new hardware wizard”
ends before the process is
completed
does not execute automati-
cally
The “Insert Disk” dialog box
does not appear
“Find new hardware wizard”
ends before the process is
completed
* It may take about 15 seconds
(or more) after the USB cable
is connected for the V-Synth
XT to be detected.
is connected for the V-Synth
XT to be detected.
Is the USB cable connected correctly?
Make sure that the V-Synth XT and your computer are
correctly connected via a USB cable.
correctly connected via a USB cable.
Is USB enabled on your computer?
Refer to the operation manual for your computer, and
make sure that USB is enabled.
make sure that USB is enabled.
Does your computer meet the USB specifications?
If you are using a computer that does not fulfill the
electrical requirements of the USB specifications, oper-
ation may be unstable. In this case, you may be able to
solve the problem by connecting a USB hub.
If the above actions do not solve the problem, it is pos-
sible that the V-Synth XT has been incorrectly detected
by the computer. As described in
electrical requirements of the USB specifications, oper-
ation may be unstable. In this case, you may be able to
solve the problem by connecting a USB hub.
If the above actions do not solve the problem, it is pos-
sible that the V-Synth XT has been incorrectly detected
by the computer. As described in
vice information, then re-install the driver.
Problem
Cause
Action
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