AOC LE22A1331/61 Service Manual page 17

Remarks:
1. USB interface of digital multimedia player is not all-purpose. So when some USB devices could not be recognized,
the problem is usually
not the performance failure but due to device driver.
2. Because USB devices and memory capability are different, the time needs for multimedia player to read
information are also different. So
the information reading speed of the player temporarily getting slow are not the performance failure.
3. The voltage supplied to USB interface is 5V, and the most electrical current is 500mA. When some interface
criteria of USB devices are
different from standard USB protocol, digital multimedia player may be unable to recognize USB devices correctly,
which is normal status.
4. USB could be used as an interface to update software.
5. If some files source could not play because of the parameter decoding-limitation, the problem is not performance
failure.
6. The system only applies to memory medium with FAT32 and NTFS format.
7.Does not support connecting of removable devices to the USB hub.
8. Does not support displaying of subtitles of video files with subtitles.
9. Does not support thumbnail display of png and Bmp format images.
10. The USB device does not support copying and pasting for NTFS system.
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