Hitachi CP-TW2503 User Manual page 147

Phenomena that may be easy to be mistaken for machine defects (continued)
Phenomenon
AUTO
CALIBRATE
fails
AUTO/
MANUAL
CALIBRATE
fails.
Cases not involving a machine defect
Does the light from the outside fall directly on the
screen?
Execute AUTO CALIBRATE after making the image brighter
by setting ECO MODE of SETUP to NORMAL and setting
AUTO ECO MODE to OFF.
Execute MANUAL CALIBRATE when nothing won't work
out.
Is ambient light falling on the screen?
Darken illumination or close the curtain so that the light
cannot fall on the screen as much as possible.
AUTO CALIBRATE may fail when the shadow of a
person is reflected on the screen.
Stay away from the screen when performing AUTO
CALIBRATE.
Perform MANUAL CALIBRATE when AUTO CALIBRATE
failed many times.
Is ambient light falling on the screen?
Darken illumination or close the curtain so that the light
cannot fall on the screen as much as possible.
Troubleshooting
Reference
page
54, 90,
91
104
90
90, 91
104
147