Remote Control Problems; Audio Problems - Delta Qumi_DP274-A13VVxx Service Manual

Delta Elec. Inc.
2.Connect the Qumi to anther computert to make sure that the problem is not caused by a
computer's video card.
Problem: The image is flat with no contrast
1.Adjust the Contrast setting on the Image menu of the OSD.
Problem: The color of the projected image does not match the source image.
1.Adjust the Color Temperature and Gamma settings on the Image menu of the OSD

Remote Control Problems

Problem: The Qumi does not respond to the remote control
1.Direct the remote control towards remote sensor on the Qumi.
2.Ensure 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.
6Turn off other Infrared-enabled devices in the vicinity.
7.Have the remote control serviced.

Audio Problems

Problem: There is no sound
1.Adjust the volume on the remote control.
2.Adjust the volume of the audio source.
3.Check the audio cable connection.
4.Test the source audio output with other speakers.
5.Have the projector serviced.
Problem: The sound is distorted
1.Check the audio cable connection.
2.Test the source audio output with other speakers.
3.Have the projector serviced.
Company Confidential
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Qumi
Vivitek ______________________
Ver.02
Delta____________
2011/07/05