• The ADVANCE (mode select) switch may have been turned OFF when the Sampling
frequency select switch is set to 96 kHz.
If you are using the UA-5 at 96 kHz, turn the ADVANCE (mode select) switch ON.
• Is USB enabled on your computer?
Refer to the operation manual for your computer, and make sure that USB is enabled.
• It has been found that in some cases, not all of the Windows 98 files required to
support audio via USB are installed when a computer is shipped.
Please contact the manufacturer of your computer.
• Does your computer meet the USB specifications?
If you are using a computer that does not fulfill the electrical requirements of the USB
specifications, operation may be unstable. In this case, you may be able to solve the
problem by connecting a USB hub.
• Does "Unknown device" appear for "Other device" or "Universal serial bus
controller"?
Use the following procedure to delete "Other device" (Universal Serial Bus Controller)
"Unknown device," and then restart your computer.
1.
In the Windows Control Panel, double-click System.
The System Properties dialog box will appear.
2.
Click the Device Manager tab.
3.
Double-click "Other device" or "Universal Serial Bus Controller" to
display a list of devices.
4.
From the list, select the unknown device and click [Delete].
5.
In the dialog box that asks you to confirm the deletion, click [OK].
6.
Verify that "Other device" or "Unknown device" is not displayed in the list,
and click [Close] to close the dialog box.
"Found unknown device" appears even though you
installed the driver
If your computer or USB hub has two or more USB connectors, and you connect the UA-
5 to a USB connector to which the UA-5 has never been connected before, the
"Unknown device" dialog box may appear even on a computer onto which you have
already installed the driver.
Refer to Getting Connected and Installing Drivers (Windows) (p. 15), and install the
driver once again. This is not a malfunction.
Troubleshooting
53