Hughes JVC 100, User Manual

Page: 83 / 128

Chapter 4—Setup Adjustments
HJT Model 100 User's Guide 4-31
Figure 4.0-17 Grey/Pluge Test Pattern
4.7.2. Sensitivity Offset
To adjust the Sensitivity Offset for Blue:
1. Access S
ENSITIVITY
O
FFSET
from the C
ONVERGENCE MENU
(Blue
should still be the only color on the screen with the Grey/Pluge test
pattern still selected).
2. A screen will appear with a Sensitivity window. The window shows
that Red and Green are hidden (greyed out) and Blue is the active
color to be adjusted (repeat Steps 1 and 2 from Section 4.7.1 if Blue
is not active).
3. The window shows arrow keys to adjust Sensitivity Offset. Data
numbers for minimum and maximum values are also displayed.
NOTE: Sensitivity Offset sets the brightest level for the overall screen
image.
4. Use the up/down arrow keys to adjust the Sensitivity Offset so the
small, white square is just barely visible inside the larger white square
(refer to Figure 4.0-17).
5. Press E
NTER
when finished.
4.7.3. Threshold Offset
To adjust Threshold Offset for Blue:
1. Access
THRESHOLD OFFSET
from the C
ONVERGENCE MENU
. Continue
with Blue only selected and the Grey/Pluge test pattern. Red and
Green should stil be hidden and the S
HUTTERS ON
H
IDE
box should
still be checked.
NOTE: Threshold Offset sets the darkest level for the overall screen
image.
2. Use the up/down arrow keys to adjust Threshold Offset so the small,
black square is just barely visible inside the large, black square in the
same manner as in the Black Level (G2) adjustment in Section 4.7.1
on page 4-30.