Bottom Center | Centered left/right, at the bottom of the |
| screen |
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Bottom Right | At the bottom right corner of the screen |
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Tile | Repeat the image across and down to fill |
| the screen with the captured image |
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Top Left | At the top left corner of the screen |
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Top Center | Centered left/right at the top of screen |
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Top Right | At the top right corner of the screen |
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✎It may help to set the Scale Mode to one to one in the Aspect Ratio menu before starting the logo capture. (although it will work from any scale mode). This will allow you to visualize the true size of the captured image relative to the screen.
3.Select Scaling to specify the aspect ratio of the cap- tured image. Choices are:
one to one | Each captured pixel of the logo will appear |
| as one pixel of the display regardless of how |
| the image was scaled when you captured it. |
| For example, if you capture a logo from a |
| VGA input, it will take up at most 640x480 |
| pixels of the 1920x1080 pixel logo screen. |
|
|
full screen | The captured image will be stretched until it |
| fits the output screen in one direction, with- |
| out changing the aspect ratio. This is analo- |
| gous to the “letterbox/pillarbox” choice in the |
| aspect ratio menu |
|
|
n percent | The image will be scaled somewhere in |
| between the two choices above. 10 percent |
| is a little bigger than one to one, 20 is bigger |
| than that etc. |
|
|
4.Select RLE Compression Factor to reduce the bitsize of the image.
RLE (Run Length Encoding) is a very simple method of compressing an image where multiple pixels that are the same will be stored as a count and a value rather than as individual pixels, thus saving space. The RLE Factor is the number used to determine when a pixel is “the same”. As long as each color of the new pixel is within the RLE factor of the old pixel it will be consid- ered the same. For analog images, it is best to put the RLE factor at 1 so that the analog noise will be elimi- nated and a flat image can be compressed. There are only 576 kilobytes available for the captured logo which is not large enough for a full screen image with- out compression. If you get the error message that the logo is too large, you can try increasing the RLE factor. However, the results will probably be more blurry than you may like.
✎The larger the capture image (in number of pixels, not scale mode) the slower it will be to draw. Repeated pixels draw faster than non repeated so a higher RLE factor can also increase draw speed somewhat.
5.Move the capture area (indicated on screen by the red rectangle) to the portion of the screen you want to cap- ture.
a)Select Move Area Up/Down or Move Area Right/Left and then use the + and - keys to position the upper right corner of the red rectangle to the upper right corner of the image.
6.Resize the red rectangle by selecting Shrink/Grow Width and Shrink/Grow Height and using the + and - keys to increase or decrease the size of the red rectangle.
✎The background color for the logo will be the color of the pixel in the upper left corner of the capture area. This background color will be used even if the scaling is set to full screen, since the aspect ratio of what they captured will probably not be the same as the screen. The captured image will reach to the outside of the red line. There's a “bite” taken out of each corner to allow you to better see what's under the line.
7.After you have sized and positioned the selection rect- angle, select Start Capture.
The screen displays the following note:
Capturing Logo...
Capture can take several minutes
Unit will not respond to commands during capture
✎The larger the image, the more time it will take to capture. Capture can take up to 5 minutes, during which time there is no response from the unit. The reason for this is that the logo gets captured to the same FLASH part that the embedded firmware resides in. You can't write to the FLASH and read from it at the same time.
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