Elmo HV-7000SX instruction manual Troubleshooting Hints, Symptom Possible cause/countermeasure

9. TROUBLESHOOTING HINTS

Symptom	Possible cause/countermeasure
No Images on TV monitor	• Cable is not properly connected to the video-in terminal of monitor.
	• The power cord is disconnected from the wall AC outlet.
	• The plug is disconnected from the power cord receptacle of the
	Presenter.
	• The power switch is not turned ON.
	• Zoom is set at TELE to display only white/black part of the material.
	• The switch is turned ON immediately after it is turned OFF. In this case,
	the Presenter may not start. Wait several seconds after turning OFF the
	power switch, and then turn ON the power switch.
Out of focus	• The object is too close to the lens. Check if it does not stand higher than
	10cm above the stage surface.
	• Zoom is set at TELE after focusing at WIDE angle.
	Focus on the point of max. TELE.
	• In the auto-focus, focusing is difficult in some cases.
The lamp is not quickly turned ON	• For protection purposes, the lamp is turned ON after preheating for 2
	seconds. This is not a fault.
Image is too dark	• The ambient light is not sufficient. Press the upper lighting unit button
	[UPPER] to turn ON the upper lamp.
Moire pattern appears on the screen	• This is caused by the interference fringe between the meshed pattern of
image	the object and the CCD elements. This is normal.
	This may be reduced by changing the projecting range.
	• Vertical stripes may appear on the liquid crystal projector screen. This
	can be reduced by manually adjusting the dot clock frequency on the
	projector side. (Refer to P.13)
Brightness tone is off the setting	• This may be reduced by switching the gamma setting.

If the trouble still remains after checking the above, consult your dealer or an authorized ELMO service center.

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