Effective Range And Distance Of The Remote Control Unit; Setting The Position Selecting Screw For Ceiling Mounting - JVC DLA-L20U - D-ila Projector--3:1-6:1 Lens,2000 Lumen Instructions Manual

Installing the Projector (Cont.)

Effective Range and Distance of the Remote Control Unit

The operable distance of the remote control unit (A) is approx. 32.81 ft (approx. 10 m) and 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
15˚
15˚
Remote control unit
50˚
Notes
• Operate the remote control unit aiming signal transmitter of the remote control directly at the remote sensor on the projector. The remote
control may not work correctly if there is a shielding object between the remote control and the remote sensor.
• When the effective distance or operation of the remote control becomes unstable, replace the batteries with new ones.

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
18
A
50˚
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.
Projector
DLA-L20U