Runco VX-6000D manual Display Device on

Maintenance and Troubleshooting

Table 5-1. Troubleshooting Chart (continued)

Symptom	Possible Cause(s)	Solution
Image geometry is incorrect.	• Incorrect aspect ratio	• Select the aspect ratio that
	selection.	best matches the source
		image and screen size
		(refer to Table 4-1).
The projected image is	• The projector is not	• Adjust the projection angle
trapezoidal in shape.	perpendicular to the	or apply keystone
	screen.	correction (refer to
		Display Device on
		page 62).
The projector will not turn	• The projector will not turn	• Wait two minutes until the
back on after it was powered	on for two minutes after	LED at the front of the
down, or the image	power-down, to protect	DHD Controller turns red.
disappears during operation.	the lamp.
	• The lamp has failed or	• Replace the lamp.
	reached its usage limit of
	2000 hours.

Runco VX-6000d Owner’s Operating Manual 77