Sony MZ-R55 Manual

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C:\win\inf\wdma_usb.inf — driver location for USB Audio Device
Even though these drivers may be present on your system, if the 
OEM version of Windows you are running does not contain all the 
underlying USB audio components, you will not be able to select 
USB Audio Device as the preferred playback device in the 
Multimedia Window. You will need to contact the supplier of your 
system to obtain an upgrade patch that brings your entire USB audio 
system up to the minimum specification of the retail version of 
Windows.
3 My Digital PCLink fails to set itself as preferred audio 
device automatically
Problem:  When you plug in the Digital PCLink, it is not 
automatically being configured as preferred audio device.
Fix:  This occurs if a system’s soundcard is ISA based — common 
for standard on board audio solutions (since Windows cannot 
automatically take a setting away from an ISA soundcard and give it 
to the Digital PCLink). It will also occur if you are running an audio 
program when you plug in or unplug the Digital PCLink. Make sure 
to therefore close all audio programs before doing this. You may need 
to configure your computer manually by selecting USB Audio 
Device in the Multimedia Control Panel or the Sounds and 
Multimedia Properties
 control panel. See the section “Checking 
that the Digital PCLink is selected as preferred device” (page 7) 
earlier in this manual for further details.
4 My Digital PCLink seems to be putting trackmarks all 
over the place
Problem:  You have installed the Digital PCLink and it seems to be 
recording fine, except there are track marks appearing all over the 
place.