4
7
DP
55
2.15 Sub brightness adjustment
Adjustment preparation
(1) Start adjustment after the power is turned ON
for 20 minutes or more.
(2) Receive the color bar signal
(7 step gray scale)
.
(3) The vertical incident illumination on the screen
should be 20 lux or less. (Room should be dark).
(4) Picture Formats is 16:9 Standard Mode.
Should sink
to black
Should rise
slightly from
black
Adjustment procedure
Y
CY G MG R BL
A7 A6
A5 A4 A3 A2
A1
B
C
D
Q I
W
100%
BLK
W
75%
WHITE BALANCE ADJUSTMENT FLOW CHART
START
Cut Off Adj.
Blue defocus Adj.
Sub bright Adj.
Adj. High Light W/B
Adj. Low Light W/B
Sub bright Adj.
Check
Low Light W/B
High Light W/B
FINISH
Repeat two or three times, until no
adjustment is needed
If NOT OK
If OK
(1) Go to “Sub Brightness” adjustment in I
2
C
ADJUST mode (
By
press
MENU+MENU+8+
SELECT
on
the Remote
Control ), using CURSOR
G
,
H
and then CURSOR
E
.
(2) Then adjust “Sub Brightness” using CURSOR
F
,
E
to increase or decrease the value,
according to figure. (Visually adjust).
(3) After adjustment, press MENU button to exit I
2
C
ADJUST mode. (Data is stored in memory).
Note:
When selecting SUB-BRIGHTNESS mode the
m
icroprocessor sets the CONTRAST and
COLOR to MIN. automatically, but make sure
that the other conditions are center.
Directly observe the screen by eye without using
a mirror.
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