Troubleshooting hints – Elmo Ceiling Presenter HV-C1000XG User Manual

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TROUBLESHOOTING HINTS

Check the following items. If any abnormality is found, consult the seller or our branch/office
in your area.

No image 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 this product.
• The power switch is not turned ON.
• Zoom is set at TELE to display only white/black part of the

material.

• The power switch is turned ON immediately after it is turned OFF.
In this case, this product may not start. Wait several seconds after

turning OFF the power switch, and then turn ON the power switch.

Symptom

Possible cause / countermeasure

Image is too dark.

The image is striped.

Brightness tone is out
of order.

Out of focus

Image oscillates.

Video output image
is disarrayed.

•The object is too close to the lens.
Check it the object is not placed at a distance shorter than 1.3m

(51.2 in.) from the unit.

• FOCUS is set at the extreme position of WIDE and the picture is

zoomed to TELE. FOCUS at the extreme position of TELE and zoom
the picture to WIDE.

• Focusing is sometimes difficult in the AUTO FOCUS mode.

• If image oscillates widely at TELE position or in the digital

magnification, vibration of the building could affect the event.

By pushing the [PAUSE] button on the wireless remote control,

image oscillation is alleviated by displaying still image.

• The intensity of illumination is not sufficient.
Turn ON the lamp by pressing the [LAMP] button on the wireless

remote control.

• If the distance from this product to a manuscript is long, illuminate

the surface of specimen brighter by using external lighting.

• Is the iris adjusted to "Close" side? Adjust the iris to "Open" side.

• This may be interference fringes between dots of printed matter

and TV scanning lines or CCD pixels, which may be mitigated by
changing the projection range.

• When using an LCD projector, vertical stripes may appear on the

screen. This may be mitigated by manually adjusting the dot clock
frequency on the projector side (refer to P. 15).

• This may be mitigated by switching the Gamma setting.

• Is the video output type set to PAL?

If this product which is set to PAL is connected to the monitor
specially designed for NTSC, the video image may not be output
normally, in which the image is disarrayed, or becomes black
and white.
Switch the video output type by referring to P. 9 "DIP Switches."

Symptoms and Confirmation

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