NEC PA803U, Руководство пользователя

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6. Installation and Connections
4. Turn the lens clockwise.
Turn until a click is heard.
The lens is now fastened onto the projector.
TIP: Mounting the lens theft prevention screw
Fasten the lens theft prevention screw included with the projector to the
bottom of the projector so that the lens cannot be removed easily.
Removing the lens
Preparations:
1. Turn on the projector and display an image.
2. Press and hold the SHIFT/HOME POSITION button over 2 seconds.
The lens position will be moved to the home position.
3. Turn off the main power switch, and then unplug the power cord.
4. Wait until the projector cabinet is cool enough to handle.
If the lens theft prevention screw has been set on, remove it first.
1. While pressing the lens release button at the bottom of
lens mounting section on the projector’s front panel fully
in, turn the lens counterclockwise.
The lens comes off.
NOTE:
• Check the following areas if the lens unit cannot be removed even
when the lens release button is pressed.
1. The lens release button may be locked sometimes. In that case,
turn the lens fully to the right. The lens release button lock will
be released.
2. Slowly pull the lens off the projector.
• After removing the lens, mount the lens caps (front and
back) included with the lens before storing the lens.
• If no lens is going to be mounted on the projector, mount
the dust cap included with the projector.
Make sure the direction to mount the dust cap to face the
distinguish mark (
△
) on the cap upward.