Sony VPH-G90E, Installation Manual, Page: 87 / 480

Adjustments
87
(GB)
Adjustments
After adjusting the lens focus and scheimpflug, adjust the magnetic focus,
AQP (Axis Quadrupole)/DQP (Diagonal Quadrupole) and AHP (Axis
Hexapole)/DHP (Diagonal Hexapole).
What is the AQP/DQP adjustment?
What is the AHP/DHP adjustment?
1
Adjusting the green magnetic focus, AQP/DQP and AHP/DHP
1
Press the CUT OFF R and B keys to display the green signal only.
2
Press the MG FOCUS key.
The DOT pattern (9
×
9) appears on the screen, and a square for
adjusting focus is displayed on the center of the screen. The adjustment
mode, adjustment position No., and adjustment items overlap with the
DOT pattern.
F O C U S A D J P O S I T I O N
- G - M G - V N o . 1
A L L : [ 1 2 8 ]
2 P H : 1 2 8
2 P V : 1 2 8
4 P A : 1 2 8
4 P D : 1 2 8
6 P A : 1 2 8
6 P D : 1 2 8
SEL: ADJ:
NEXT: + –
3
Adjust the focus at the center (position No.1) of the screen.
Press the
v
or
V
key to select the item (by moving [ ] to the item), and
press the
B
or
b
key to adjust the data.
1
Press the
B
or
b
key to set ALL to +40 so that flare appears on the
screen.
2
Press the
v
or
V
key to select 2PH, then press the
B
or
b
key so that
the core of a spot is located at the horizontal center of the flare.
3
Select 2PV, then adjust so that the core of a spot is located at the
vertical center of the flare.
b
b
DQP adjustment
Correct the diagonal distortion of
the spot.
AQP adjustment
Correct the vertical or horizontal
distortion of the spot.
Adjusting the Magnetic Focus
DHP adjustment
b
b
AHP adjustment
Correct the triangular-form distortion of the spot.
(continued)