Halo; Raster Regulation - NEC MultiSync FE001SB Service Manual

5.9 Halo

Halo
Signal No.13
Contrast : Max.
Brightness: Preset

5.10 Raster Regulation

Raster Size
Regulation
All Preset Signals
(Full White pattern)
Dynamic Raster
Regulation
All preset signal
Character:
Color: Crosshatch
Judgment:
Each color (Red, Blue) line do not form halos.
Vertical lines : halos + core are less than 7 grills(R), 7 grills(B)
Horizontal lines : core : halos = 1 : less than 1.5
Horizontal
Judgment:
1.The total horizontal and vertical size of the picture shall not
change more than 1.0mm, when displaying a flat field, and
adjusting the brightness from 30 to 110 cd/m
2. The picture size should not vary 1% in the horizontal and
vertical direction by Input voltage change in 90-132VAC
and 198-264VAC.
Size Change Spec.
−
| H 1 H | 2
≤
1 %
H 2
−
| V 1 V | 2
≤
1 %
V 2
Pattern
Judgment
≥ 46kHz: |A-B| ≤ 0.5mm
f
h
< 46kHz: |A-B| ≤ 1.0mm
f
h
Vertical
Core
Grills
H1
H2
V2
A
White window
B
V: 33%
H: 100%
5-25
2.
V1