Canon REALiS WUX4000 D Pro AV Multimedia Projector WUX4000 User's Manual - Page 169

The Projected Image Is Blurred, You Cannot Project an Image Appropriately

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Troubleshooting ■The Projected Image Is Blurred Cause Countermeasure The image is out of focus. Adjust the focus. (P57) The distance to the screen is too short. Check whether the distance to the screen is appropriate. If the distance is shorter than approximately 1.3 m (4.3'), the projector cannot focus on the screen. (P123) The projector is not placed straight in front of the screen. Check whether the projector is placed obliquely to the screen. A slight error in the projection angle can be corrected through the keystone adjustment function. (P59) The projector has been moved to a place where the temperature varies a lot. When the projector is moved from a location where the temperature is low to a location where the temperature is high, condensation may form on the lens. The condensation will evaporate after a period of time and the projector will be able to project a normal image. The lens is stained. Clean the lens. (P156) The tracking is bad. Adjust the tracking with the [AUTO PC] or [Tracking] function. (P49, P77) Appendix Other Information ■You Cannot Project an Image Appropriately Cause The projected image is inverted in the vertical or horizontal direction. The dot clock of the input signal is 162 MHz or higher with a BNC cable. A VGA cable is used in which some pins are not connected. Countermeasure The ceiling mounted/rear projection setting is incorrect. Check the [Image flip H/V] setting in the [Display settings] menu. (P83) Set the signal dot clock to 162 MHz on your computer. Use a VGA cable in which all pins are connected. ■The Projector Power Turns Off Cause The air intake or exhaust vent is blocked. The air filter is dirty. Countermeasure Check whether the air intake or exhaust vent is blocked. If the air intake or exhaust vent is blocked, the temperature inside the projector will increase and the power is automatically turned off to protect the projector. (The [WARNING] indicator and [TEMP] indicator are lit.) Wait until the projector temperature drops, then make sure that the intake and exhaust vents are not blocked and turn on the projector. (P26, P27, P43) Check whether the air filter is clogged with dust. If the air filter is clogged, clean or replace the air filter. (P157) 169

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169
Troubleshooting
Appendix
Other Information
■
The Projected Image Is Blurred
■
You Cannot Project an Image Appropriately
■
The Projector Power Turns Off
Cause
Countermeasure
The image is out of focus.
Adjust the focus. (
P57
)
The distance to the screen is too
short.
Check whether the distance to the screen is appropriate. If
the distance is shorter than approximately 1.3 m (4.3'), the
projector cannot focus on the screen. (
P123
)
The projector is not placed
straight in front of the screen.
Check whether the projector is placed obliquely to the
screen. A slight error in the projection angle can be cor-
rected through the keystone adjustment function. (
P59
)
The projector has been moved to
a place where the temperature
varies a lot.
When the projector is moved from a location where the tem-
perature is low to a location where the temperature is high,
condensation may form on the lens. The condensation will
evaporate after a period of time and the projector will be
able to project a normal image.
The lens is stained.
Clean the lens. (
P156
)
The tracking is bad.
Adjust the tracking with the [AUTO PC] or [Tracking] func-
tion. (
P49
,
P77
)
Cause
Countermeasure
The projected image is inverted in
the vertical or horizontal direction.
The ceiling mounted/rear projection setting is incorrect.
Check the [Image flip H/V] setting in the [Display settings]
menu. (
P83
)
The dot clock of the input signal is
162 MHz or higher with a BNC
cable.
Set the signal dot clock to 162 MHz on your computer.
A VGA cable is used in which
some pins are not connected.
Use a VGA cable in which all pins are connected.
Cause
Countermeasure
The air intake or exhaust vent is
blocked.
Check whether the air intake or exhaust vent is blocked. If
the air intake or exhaust vent is blocked, the temperature
inside the projector will increase and the power is automati-
cally turned off to protect the projector. (The [WARNING]
indicator and [TEMP] indicator are lit.) Wait until the projec-
tor temperature drops, then make sure that the intake and
exhaust vents are not blocked and turn on the projector.
(
P26
,
P27
,
P43
)
The air filter is dirty.
Check whether the air filter is clogged with dust.
If the air filter is clogged, clean or replace the air filter.
(
P157
)