Adjusting The Focus - Sharp XG-E690UB Operation Manual

Example of a standard setup
90
Using the reverse function makes the following setups possible.
Example of a reversed image setup
• By placing a mirror (normal flat type) in front of the lens and using the reverse function, the image reflected from the mirror
can be projected onto the screen. (See E-21.)
• Rear projection with a rear projection screen is also possible when using the reverse function.
AUDIENCE SIDE
Mirror
Using the Focus, Keystone and Size Correction Functions
• Focus, Keystone and Reversed Image mode functions broaden your options for projector placement.
• See pages 6 and 7 for details on projector setup.
2
3
4
E-7
The projector
TOP VIEW
lens should be
centered in the
middle of the
screen.
Lens center
The projector lens
should be
centered in the
middle of the
screen.
90
Rear Projection
90
1. Turn ON the POWER.
See page 14 for turning on the power.

2. Adjusting the Focus

Rotate the focus ring until the top portion of the screen is in
focus.
3. Controlling keystone effects
This projector allows you to fix uneven screen images of up to
approximately 10˚ due to projector or screen positioning.
• Rotate the KEYSTONE/SIZE CORRECTION knob to the right
or left to widen or shorten the bottom portion of the screen.
4. Correcting the picture size
Move the KEYSTONE/SIZE CORRECTION knob.
• Slide it to the left to enlarge the picture size or decrease the
projection distance.
• Slide it to the right to decrease the picture size or increase
the projection distance.
Notes:
• This function allows you to correct the screen size up to
approximately 10% after adjusting the Keystone effects.
• After correcting the keystone effects and picture size,
adjust the focus again.
If the projector
SIDE VIEW
and screen are
not centered
properly, the
Lens center
picture will be
distorted, making
viewing difficult.
If the projector and screen
are not centered properly,
the picture will be distorted,
making viewing difficult.