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Installing the Projector (Cont.)
Effective Range and Distance of the Remote Control Unit
The operable distance of the remote control unit is about 10 m (32.8 ft) for direct reception. The remote control can be used by
having it reflected on the screen, etc. When you use the remote control by reflecting it at the screen, the total distance of A + B
should be about 10 m (32.8 ft) or less. The operable angles of the remote control unit is 50° right to left, and 15° up and down.
The effective range and distance of the remote control unit
Screen
Projector
Remote control unit
• Use the projector with A+B about 10 m (32.8 ft) or less.
50˚
50˚
A
15˚
B
Note
• Depending on the type of the screen used, the effective distance of the remote control may be reduced.
Setting the Position Selecting Screw for Ceiling Mounting
When using the projector in an upside-down, ceiling-mounted position (inverted top-to-bottom and right-to-left), the “position
selecting screw for ceiling mounting” must be turned to switch to ceiling mounting.
This will correct variance in color images (shading), which otherwise would occur in ceiling mounting.
To revert to normal desktop setting, turn the “position selecting screw for ceiling mounting” back to the initial position (factory-
shipped).
[When using the projector in an upside-down, ceiling mounting position (inverted top-to-bottom and right-to-left)]
■
Turn the “position selecting screw for ceiling mounting” counterclockwise fully (until it is turning idly).
[To again use the projector in a normal desktop setting]
■
Turn the “position selecting screw for ceiling mounting” clockwise fully (until it tightens firmly).
Position selecting screw for ceiling mounting
15˚
For normal desktop mounting:
Turn clockwise.
For upside-down, ceiling-mounting:
Turn counterclockwise.
CAUTIONS
• To ceiling-mount and adjust the projector, special expertise and
technique are necessary. Be sure to ask your dealer or a specialist to
perform this work.
• To turn the “position selecting screw for ceiling mounting”, use a Phillips
screwdriver with a 30-mm or longer shank.
The screw is located in the hole shown in the illustration.
M20U p.15-23
00.6.15, 8:17 PM
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