Black Box USB Display Adapter User Manual page 26

Screen Rotation ：There are
four kinds of screen rotation,
the Normal, Rotated Left,
Rotated Right and
Upside-Down.
Screen Resolution：The
resolution will be depends on
your computer setting,
resolution support of moniter
and else....
Manually Setting
1. Position the mouse anywhere on your computer desktop, right-click and select Screen
Resolution on Win 7, Personalize > Display Settings on Vista or Properties >
Settings on XP/2000.
2. In the Display drop-down menu, select the option ends with DisplayLink Graphics
Adapter.
3. To change the screen resolution or color quality, select those options on the screen.
Be sure to select one of the supported resolutions and color quality numbers in the
table above. For an add-on monitor, you can also select any resolution or color quality
supported by that monitor.
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3. Using the Adapter