Troubleshooting Hints - Elmo Visual Presenter EV-200 Instruction Manual

3. TROUBLESHOOTING HINTS

Symptom
No image is on the monitor or
project.
The image flickers.
Image is too bright.
Image is too dark.
The image of printed matter is
striped.
If the trouble still remains after checking the above, consult your dealer or an
authorized ELMO service center.
Checkpoint
• Is the video cable connected properly?
• Is the AC adapter inserted correctly?
• Is the DC jack inserted firmly in the power
terminal
[DC IN 12V] of the Presenter?
• Is the power switch [POWER] ON?
• Is the image-in selection switch [INPUT] set at
[VIDEO IN]?
• The light from the discharge tube (50Hz) does not
come to the screen. This trouble may be reduced
by setting the flicker switch to [50]. (Refer to p.10)
• Adjust the brightness of the screen by the gain
button [DOWN] . If the screen looks still dark, turn
the shutter switch ON.
• Adjust the brightness of the screen by the gain
button [UP].
• Is this caused by the interference between the dots
of the printed matter and the scanning line of the
TV?
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