Ovideon AVIAh Can I change the Background Images of the On Screen Display?

How to Operate each Mode
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You can download a new image of your choice in .JPG format and use it as the background for the On Screen Display.
1. Save your JPG file of Choice to the SystemFolder of the Portable Media Player. At this time you can save only two .JPG files
to the SystemFolder.
2. When you save them, the file names should be wall.jpg and window.jpg.
3. wall.jpg is shown as a background when you push the mode button. It is also the background shown in the main menu.
window.jpg is shown as a background in Video, Audio, Slide Show, REC and ETC file mode.
Can I change the Background Images of the On Screen Display?
If you do not want to have any background images, please delete the image files in System Folder or change the file name of
wall.jpg and window.jpg to some other name.