Installation Notice

Table Of Contents
- 47 -
Image Problems
Problem: No image appears on the screen.
1. Check whether the source (PC, Flash Drive, DVD Player, Set-top Box, etc.…) is
properly configured.
2. Turn off all of the equipment and power up the equipment again in the correct order.
Problem: The image is blurred.
1. Adjust the focus directly via the focus dial on the projector.
2. Ensure that the distance between the Qumi and the screen is within specified range.
3. Clean Qumi lens with optical lens cleaning cloth if it is dirty.
Problem: The image is wider at the top or bottom (trapezoid effect).
1. Position Qumi so that it is as perpendicular to the screen as possible.
2. Adjust the Keystone settings in the Settings menu to correct the problem by either
turning Auto Keystone on or by manually adjusting the keystone setting (Settings >
Image > Keystone).
Problem: The image is reversed.
1. Check the image orientation of the Projector in the Settings menu (Settings >
Image > Projection).
Remote Control Problems
Problem: Qumi does not respond to the remote control commands.
1. Aim the remote control towards the front or rear sensor on the Qumi.
2. Make sure the path between remote and sensor is not obstructed.
3. Turn off any fluorescent lights in the room.
4. Check to see if the battery polarity is correct.
5. Replace the batteries.
6. Turn off other infrared-enabled devices in the vicinity.
7. Have the remote control serviced.
Problem: The remote control’s power button does not turn on the Qumi.
1. Make sure that the Qumi is using the power adapter.
Audio Problems
Problem: There is no sound.
1. Adjust the volume on the audio source.
2. Test the output of the audio source with other speakers.