Optoma ML300 Service Manual page 33

2.USB flash disk Test
Procedure
Inspection item
Criteria
3.Micro USB Test
Procedure
Inspection item
Criteria
- Test equipment: USB flash disk (include video file).
- Test Pattern: video file
- Turn on the projector and plug USB flash disk into the
projector.
- Select "Home"-->"O"of remote controller,then play
video file in USB flash disk.
- Check any abnormal color, any noise on the screen.
- Check the sound from speaker.
- The video is played smoothly and the voice sounds
normal.
- Test equipment:Micro USB
- Test Pattern: PC file
- Turn on the projector and plug Micro USB cable into
the projector.
- USB connected OSD will appear automatically
- Select "USB Display"(as red square), the PC
information will be shown .
- Select "Data Transfer" (as yellow square),then select
"O" to confirm transfer. The screen turns black after �0
seconds for power saving. Press to wake up the
display.
- Check any abnormal color, any noise on the screen.
- Check the sound from speaker.
- The video is played smoothly and the voice sounds
normal.
ML300
Confidential
4-7