Hitachi SL-802 Manuel d'utilisateur Page 3
- Page / 12
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
QR77621A
1. Check the surrounding focus
When an image is projected onto the
screen after the USL-801 lens has
been installed in the LCD projector, the
surrounding area may be out of focus in
relation to the center.
If this happens, adjust the fl ange-back
(FB) of the lens. The surrounding focus
can be corrected by adjusting the fl ange-
back.
Caution:
■ As the fl ange-back has already been
adjusted at the factory prior to shipping, do not adjust more than necessary.
2. Remove the lens
Place the detached lens on a soft cloth
or similar.
Caution:
■ Be sure to turn off the LCD projector
before changing the lens.
■ Return the lens shift to the center
position. Refer to the user manual
supplied with the LCD projector for
instructions on how to return the
lens shift to the center position.
Flange-back Adjustment (USL-801 only)
Fixing ring
One setscrew
Three setscrews
Counterclockwise
Clockwise
FB adjustment pin
Center
Surrounding area
Temporary fi xing screw
(one on the top)
FB adjustment pin
Temporary fi xing
screw (underside)
Three setscrews
Fixing ring
Fixing ring
One setscrew
3. Remove the fi xing ring
Using the small hexagon pin supplied
with the lens, loosen the setscrew on the
fi xing ring and unscrew the fi xing ring.
4. Loosen the setscrews
Using the small hexagon pin supplied
with the lens, loosen the three setscrews
for fi xing the lens body.
5. Loosen the temporary fi xing screw (1)
Using the large hexagon pin supplied
with the lens, loosen the temporary fi xing
screw on the underside.
Caution:
■ Do not loosen the temporary fi xing
screw on the top until the lens is
installed in the LCD projector.
6. Install the lens
Follow the procedures in Attaching the
Lens and install the lens in the LCD
projector.
Position the LCD projector at the desired
projection distance or desired projection
size.
7. Insert the FB adjustment pin
Insert the supplied FB adjustment pin in
the FB adjustment window on the lens.
Insert the narrow end of the FB
adjustment pin.
11. Fix the fl ange-back adjustment (1)
To fi x the focus after fl ange-back
adjustment, use the large hexagon pin to
tighten the temporary fi xing screw on the
top.
10. Adjust the fl ange-back
If the surrounding area in the near
screen is in focus while the center of the
image is in focus, follow the procedure
below to adjust the fl ange-back.
(1) Use the LCD projector remote
control or control panel to adjust the
surrounding focus in the + (plus)
direction.
(2) Move the FB adjustment pin slowly
counterclockwise until the center
comes into focus.
(3) Check the surrounding focus.
(4) If the surrounding area is still not in
focus, repeat steps (1) through (3)
above.
If the surrounding area in the far screen
is in focus while the center of the image
is in focus, follow the procedure below to
adjust the fl ange-back.
(1) Use the LCD projector remote
controller or operation panel to adjust
the surrounding focus in the - (minus)
direction.
(2) Move the FB adjustment pin slowly
clockwise until the center comes into
focus.
(3) Check the surrounding focus.
(4) If the surrounding area is still not in
focus, repeat steps (1) through (3)
above.
12. Fix the fl ange-back adjustment (2)
Remove the lens, which is fi xed
temporarily with the screw on the top,
and place it on a soft cloth or similar.
Tighten the temporary fi xing screw on the
underside in the same way.
13. Fix the fl ange-back adjustment (3)
Using the small hexagon pin, tighten the
three setscrews on the lens body.
14. Fix the fl ange-back adjustment (4)
Mount the fi xing ring on the lens and
screw on. Mount the fi xing ring with the
threaded side facing down.
15. Fix the fl ange-back adjustment (5)
Tighten the setscrew on the fi xing ring.
16. Install the lens
Follow the procedure in Attaching the
Lens to complete installation of the lens
in the LCD projector.
(The two blinders and two protectors are
not supplied with the USL-801 lens.)
(The two blinders and two protectors are not supplied with the USL-801 lens.)
9. Prepare for fl ange-back adjustment
Project the image for adjustment from the
LCD projector onto the screen. Move the
FB adjustment pin slowly clockwise or
counterclockwise and adjust the fl ange-
back while checking the projected image,
until the center of the image comes into
focus.
Center
Surrounding area
FB adjustment window
FB adjustment pin
FB adjustment window
8. Loosen the temporary fi xing screw (2)
Using the large hexagon pin, loosen the
temporary fi xing screw on the top.
Temporary fi xing
screw (top)
FB adjustment pin
Lens body
Lens body
Temporary fi xing
screw (underside)
Temporary fi xing screw (top)
*Do not loosen.
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