Problems and solutions, Operation problems, Image quality problems – Epson DC-30 Wireless Document Camera User Manual
Page 47: Operation problems image quality problems
Operation Problems
No image appears on the screen
•
After you press the [
t
] power button, wait a few moments for the
image to appear. It takes approximately 20 seconds for the document
camera to output an image.
•
Make sure all necessary cables are securely connected and the power
is on for the projector and the document camera.
s
"Connecting the Document Camera to a Projector"
s
"Connecting to a Projector using Software"
•
To project live images from the document camera, press the [
]
button on the document camera or the remote control.
•
Select the correct source on your projector. The source refers to the
port on the projector to which you have connected the cable.
•
Make sure your projector is turned on and not in sleep mode.
Make
sure the image has not been "muted" or turned off. Check
that the
document camera is not in sleep mode.
•
Reconnect the power cord. If no images are output even after
pressing the [
t
] power button again, stop using the document
camera, contact
Epson support
or the nearest service center
provided
in this guide.
s
"Epson Projector Contact List"
Image Quality Problems
The image is fuzzy or out of focus
•
If the surroundings are dark and the contrast in the projected image
is low, the document camera's auto focus function may not work
correctly. Adjust
Brightness
and/or
Contrast
in the
Image
menu.
•
Make sure the camera head is at least 5 cm (2 inches) away from
the object you are viewing.
s
"Zoom Magnification and Projection Distance by Image Mode"
•
If you are using a projector to display the image, check its focus.
•
If the zoom magnification is too high, the focus point may be out of
the angle of view. Try reducing the zoom magnification.
The image brightness or colors are incorrect
•
Press the [
] button to illuminate the subject.
•
Press the [
] or [
] button to increase or decrease image
brightness.
•
Set the
White Balance
setting to
Auto
to adjust the color
automatically. If the colors are still not correct, select the best setting
for the type of lighting in your environment (
Cloudy
,
Daylight
,
Fluorescent
, or
Incandescent
).
s
•
If you connected a microscope to the document camera and set the
image mode to
Microscope
, be sure to change the
Microscope
setting
to another mode before using the document camera without
connecting a microscope.
s
Cannot focus on a three dimensional subject
If the subject is a three-dimensional object, the following will make it
easier to bring it into focus.
•
Place a uniformly colored
11×17 or A3-size or larger
object as a
background
for the three-dimensional subject.
•
Before placing the three-dimensional subject, focus on the position
where the subject will be placed.
Other image problems
•
If the image is stretched or has black bars, change
Output Resolution
in the
System
menu.
s
Problems and Solutions
47