17
• Adjusting Focus Rings for the XG135LC
There are three sets of adjusting focus rings, two between each CRT and lens.
These focus rings are used for maintaining optimum edge focus for the various screen sizes and projection angles.
*When setting the focus rings or changing CRT angle, you must first remove the front panel.
1
Loosen the four screws.
Screen Size Change(Adjusting Focus Rings and CRT Angle) for XG135LC
R
Knob
G
Knob
B
Knob
H
V
H
V
H
V
1
2
3
3.5
3.5
3.5
4
1
2
3
3.5
4
5
4
3
2.5
2.5
2.5
2
1
1
1
1
1
5
5
5
5
5
5
5
5
5
5
5
5
5
4
3
2.5
2.5
2.5
2
1
1
1
1
1
2
Rotate and set the knobs (
H
and
V
) 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.
3
Tighten the four screws.
CRT
Projection angle
and screen size (Diagonal)
60" – 69"
70" – 89"
90" – 109"
110" – 129"
130" – 169"
170" – 209"
210" – 300"
60" – 69"
70" – 89"
90" – 109"
110" – 209"
210" –300"
1
2
3
3.5
3.5
3.5
4
1
2
3
3.5
4
5
4
3
2.5
2.5
2.5
2
1
1
1
1
1
12.4
°
12.6
°
0
°
11.8
°
12.2
°
(Factory preset)
5
4
3
2
1
5
4
3
2
1
H V
5
4
3
2
1
5
4
3
2
1
H V
5
4
3
2
1
5
4
3
2
1
H V
5
4
3
2
1
5
4
3
2
1
H V
Rotate
knob
V
knob
H
Screws
Screws
Position of Knobs for the XG135LC
PROJECTION CONFIGURATION CHANGE
