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.
– Make sure the projection screen is at least 4.3’ (1.3 m) away from the projector.
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
40p
,
575p
,
70p
,
40i
,
575i
,
105i
,
100i
or
100p
is selected or or when the digital signal is
or or when the digital signal is
or 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
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
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.
Is the image projected? You will hear the sound only when the image is projected.
– Check the Build-in SP function. (See page 28)
(See page 28)
Appendix
Summary of Contents for PLC WM5500L
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