SVD 800 HD
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4.6 Projector centering
The first step towards a good installation is centering the
projector with respect to the screen. This can be done
using two pieces of equally long cord, as illustrated in the
following figure:
It is necessary to check that the position of the two corners
at the front of the projector is centred with respect to the
position of the cords, as illustrated in the figure.
Once you have done this you can be sure that the screen
and the projector are orthogonal and centred, essential
conditions for the best performance.
4.7 Optical and electrical
adjustments
Turn the projector on with the main switch on the left of
the rear panel; the red pilot light indicates the stand-by
state.
If the projector remains in stand-by press the
button
on the remote control or the or arrow buttons on the
rear panel. The green pilot light indicates the projector is
on.
To turn the projector off, press
or the main switch.
Proceed with installation using the internal test pictures. They
can be used by pressing TEST on the complete functions
remote control (RC3000) and selecting the most appropriate
test signal.
SCREEN AND
PROJECT
OR
CENTRE
SCREEN
CORDS OF THE SAME LENGTH
Reference
corner
Reference
corner
Fig. 53
4.8 Lens focus adjustment
Each lens must be focused individually with the tubes
on, one at a time and following this procedure:
1. Select the HATCH test pattern by pressing the TEST
button on the remote control. An external pattern signal
can be used if you prefer.
2. Adjust with a low contrast (e.g. 30) and a medium-low
background brightness (e.g. 40)
3. Turn the other tubes off using the push buttons R,G,B,
on the remote control.
4. Loosen the wing screw (B)
Fig. 54 of the green lens,
turn the lens assembly either to the right or left to adjust
the focus of the picture in the middle of the screen and
then tighten the screw. (B).
5. Loosen the wing screw (A) of the green lens, turn the
lens assembly either to the right or left to adjust the
focus of the picture on the borders of the screen and
then tighten the screw (A).
6. Look at the screen closely and check the result; repeat
the adjustments if necessary.
7. Repeat steps 3, 4 and 5 for the red and blue lenses.
Attention:
DO NOT move the electrostatic focus adjustment
potentiometers. They were factory-set and should only
be adjusted by qualified personnel.
B
A
Fig. 54
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