Cirago UDA2000, User Manual, Page: 18 / 22

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Resolution: The number of pixels displayed on screen horizontally and vertically.
Color Quality: The number of different colors that can be shown on the screen at the same time.
Refresh Rate: The speed that the entire screen is rescanned. Higher refresh rates reduce flicker.
Some monitors advertise the supported modes through the VGA or DVI connector. If this is the case, the USB Graphics
Adapter identifies the supported modes from the monitor. If the monitor does not advertise the supported modes, the USB
Graphics Adapter software chooses a set of common screen modes for the monitor.
Inferred Modes
Some modes in the DisplayLink GUI are shown with [ ] around them.
This occurs when connecting a monitor with a preferred mode
higher than the maximum supported resolution of the DisplayLink
device
In this case, the preferred resolution of the monitor cannot be
supported. However we add lower resolutions of the same aspect
ratio to be tried with the monitor. Modes in square brackets [ ] imply
that these are modes not reported by the monitor, but have been
made available by the DisplayLink software for you to try.
As these are inferred modes from the preferred mode of the monitor,
they are not guaranteed to work with the display.
Error Messages
DisplayLink Graphics software occasionally displays user messages in a bubble in the notification area. The table below lists
the user messages and their description.
This can occur when entering extend mode with low system resources.The PC does not
have enough memory to start an extend display. Close down any unused applications.
The situation may also be improved by rebooting the PC.
The requested allocation
size was too large
This can occur if trying to mirror a primary display with a resolution above
2300x1700 (4:3) or 2600x1500 (16:9).
Incompatible Display Driver
This message will appear if the primary graphics card drivers installed are not WDDM
compatible. Windows 7 is not designed to operate without WDDM drivers.
Download and install the latest Windows 7 (WDDM) drivers for your primary graphics card.
The system cannot write to the
specified device
This warning may be displayed in Windows XP after changing the display mode several
times (e.g. Extend/Dock mode) from the DisplayLink GUI. If this happens, detach and
reattach the device to restore normal operation.
Description
Insufficient system resources
exist to complete the
requested service
Message