LHD700 User Manual
020-000422-01 Rev.1 (11-2011)
Appendix
79
appears on the screen
– Filter is out of scroll. Replace the filter cartridge with a new one promptly. (See
pages 72-73)
The image is out of
focus .
– Adjust the focus of the projector.
– Check Projection Lens to see if it needs cleaning.
Note:
Moving the projector from a cool temperature location to a warm temperature
location may result in moisture condensation on Projection Lens. In such
cases, leave the projector OFF and wait until condensation evaporates.
– Projecting from excessive slant angle to the screen may cause keystone distortion
and partial imperfect focus.
The image is not
bright enough .
– Check if
Contrast
or
Brightness
is adjusted properly. (See pages 40, 48)
– Check if
Image level
is selected properly. (See pages 39, 47)
– Check the Lamp control function. ( See “Setting” section on page 61)
– Check the LAMP REPLACE indicator. If it lights, the end of lamp life is approaching.
Replace the lamp with a new one promptly. (See page 74)
The color is strange .
– Check the Input signal, color system, video system, or computer system mode.
– Adjust the Image Level properly. (See pages 40, 47)
The image is Left/
Right reversed .
– Check the Ceiling / Rear function. (See pages 45, 52)
The image is Top/
Bottom reversed .
– Check the Ceiling function. (See pages 45, 52)
The image is distorted
or runs off .
– Check PC adjust Menu or Screen Menu and adjust them.
Auto PC adjustment
function does not
work
.
– Check the Input signal. Auto PC Adjustment function cannot work when
480p
,
575p
,
720p
,
480i
,
575i
,
1035i
,
1080i
or
1080p
is selected or when the digital signal is input
into HDMI or DVI-D terminal. See page 36.
Some displays are
not seen during the
operation .
– Check the Display function. (see page 54)
The setting does not
remain after turning
off power .
– Make sure you selected
Store
after adjusting settings. Some settings cannot be
stored if not registered with Store function.
Power management
function does not
work .
– Power management function cannot work while Freeze function is running or the
shutter is closed.
Image disappears
automatically .
– Check the power management function in the Setting. The power management is set
to
On
at the factory.
Capture function does
not work .
– Check the connection to see if there is signal.
– Capture function is not available when the Picture in Picture function is set to
User1-
5
.
Some menus cannot
be selected .
– Each of the Video Input and Computer Input has a limit on selectable menus.
The shutter does not
work .
– Check "Protection" or "Release key" of the Shutter function. (See p.67)
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