Led Display Video Controller VX4 Series User's Manual
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9.4 Setp4: Output Setting
Output settings are divided into three cases:
First one: disable Scaling, i.e., the sizes of output image and input image are the same, and original
scale output is used. If the input resolution is smaller than the LED display in one direction, LED
display may not become bright in this direction; if the input resolution is greater than the LED display in
one direction, the input contents may not be displayed completely in this direction. This option is
applicable to the application scenarios requiring point-to-point display. Horizontal offset and vertical
offset of images can be set according to the needs, and at this time the displayed contents may move
to the left or top at the LED display.
Diagram of display effect of disabling scaling
Second one: Auto Fit . At this point [Scaling] is enabled, and [Auto Fit] is enabled.
When enabling “Auto Fit”, the input contents will be fully zoomed to the size of LED display, and the
input contents will be adaptive to adapt to the size of LED display. This mode is suitable for full-screen
playback of the contents. Setting method is as shown below:
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