Adjusting The Magnetic Focus - Sony VPH-G90E Manual De Instalación

Adjusting the Magnetic Focus

1 Adjusting the green magnetic focus, AQP/DQP and AHP/DHP
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?
AQP adjustment
b
Correct the vertical or horizontal
distortion of the spot.
What is the AHP/DHP adjustment?
AHP adjustment
b
Correct the triangular-form distortion of the spot.
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
SEL:
ADJ:
6 P D : 1 2 8
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.
DQP adjustment
Correct the diagonal distortion of
the spot.
DHP adjustment
+ –
b
b
(continued)
87
Adjustments (GB)