16
R
Knob
G
Knob
B
Knob
ABABAB
2
3
4
5
2
3
4
5
2
3
4
5
1
1
1
1
1
1
1
1
1
1
1
1
2
3
4
5
1
1
1
1
2
3
4
5
2
3
4
5
2
3
4
5
1
1
1
1
60" – 79"
80" – 129"
130" – 179"
180" – 300"
60" – 79"
80" – 129"
130" – 179"
180" – 300"
3 Tighten the four screws at the lens.
12.1°
12.4°(Factory preset)
12.6°
12.7°
0°
• Adjusting Angle of CRTs for the XG75A
To adjust the angle of the CRTs, remove screws E and loosen screws
C and D.
Now you can move the tube and lens assembly to one of the three
other positions. Then replace screws E and tighten screws C and D.
This process needs to be done for the red and blue CRTs. The green
CRT is never repositioned. Use the table below to select the proper
setting for your screen size.
NOTE: The threaded hole marked “60-300” F is drilled lengthwise so
you can move the CRT assembly to any screen size. Adjust the red
and blue lens so that the red or blue beam is aligned with the green
beam. After doing this, adjust the lens focus (see the next page).
Then tighten the screws E.
Metal impression stamp screen size
Range of screen size (diagonal)
60-300
60"-300"
100
100"
120
120"
180
180"
ED DE
CC
2Rotate and set the knobs (A and B) to the
right position. The table below lists which
position the knob should be set to for any
given screen size and angle. The similar
table is also on the back of the front panel.
knob A
knob B
Rotate
CRT
Projection angle
and screen size (Diagonal)
180120
100
60-300
180 120
100
60-300
1 2 3 4 5
A
B
Position of Knobs for the XG75A
180120
100
60-300
180 120
100
60-300
F
F
PROJECTION CONFIGURATION CHANGE
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