3. NO sound or distorted sound
1. Adjust the volume.
2. Check that the speakers are connected correctly.
4. NO audio or digital output
1. Check the digital connections.
2. Check if your amplifier is set correctly.
5. Player does not respond to Some operating
commands During playback
1. Operations may not be permitted. Refer to the user
manual.
2. Possibility of system halted, re-insert with power
adaptor to restart.
6. NO sound during movies Playback
1. The audio codec may not be supported by the QPI-1
You can change to the supported audio on playing
menu.
2. Check the volume setting.
7. The contents of the USB flash Drive cannot be read.
1. The USB flash drive format is not compatible with
the projector.
2. If one of the USB can not be read, please turn off the
QPI-1 for 30 Seconds and restart.
8. Slow operation of the USB flash drive
Big file size or high resolution USB flash drive takes
longer time to read and display on the screen.
9. NO sound with HDMI connection
1. Check the connection between the player and the
HDMI jack of QPI-1.
2. Check your device setup.
3. Check the volume.
4. Power off first.
5. Press the Reset switch on the botton with thin stick
and power on.
6. Blue led will turn on and red led flash.
7. Wait till blue led turn off,red led stop flash.
8. Power on again ,then done.
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