74
appears on the screen
– Filter is out of scroll. Replace the filter cartridge with a new one promptly (See pages
67-68).
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 41, 47).
– Check if
Image level
is selected properly (See pages 40, 46).
– Check the Lamp control function (See “Setting” section on page 57).
– 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 69).
The color is strange .
– Check the Input signal, color system, video system, or computer system mode.
– Adjust the Image Level properly (See pages 40, 46).
The image is Left/Right
reversed .
– Check the Ceiling / Rear function (See pages 44, 50).
The image is Top/Bottom
reversed .
– Check the Ceiling function (See pages 44, 50).
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 terminal. See page 37.
Some displays are not
seen during the operation .
– Check the Display function (see page 52).
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.
No sound .
– Check the audio cable connection from audio input source.
– Adjust the audio source.
– Press the button ( See page 28).
– Press the Mute button (See page 28).
– Is the image projected? You will hear the sound only when the image is projected.
– Check the Build-in SP function (See page 28).
Appendix