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4-6 Colour uniformity adjustment
Preparations
1. Perform these adjustments after the white
balance adjustment described in Section 4-5.
2. Make a colour uniformity adjustment for the
following four tones.
MIN tone
(approx. 3% input signal)
MID-L tone (approx. 13% input signal)
MID-H tone (approx. 22% input signal)
MAX tone (approx. 50% input signal)
3. Place the cursor on [C.UNIF.] in the FACTORY
MENU and press the [ ] key. This displays the
Adjust Tone menu at the bottom of the screen.
To choose the tone to be adjusted, press the [ ]
key and then use the [ ] or [ ] key.
Select the major adjustment lattice point No. and
color, and then adjust them.
4. The major adjustment lattice point numbers (a
total of 17 points) corresponds to the major
adjustment lattice point positions in the diagram
on the right. The colour uniformity of the entire
screen can be adjusted by adjusting the white
balance for each of the points starting in order
from the low numbers.
5. Adjustment point No.1 should not be adjusted,
because it controls the brightness of the entire
screen.
FACTORY MENU
VID-AD
C. UNIF.
DAC-P
GAMMA
STRIPE
Adjust tone menu
No. 1
C.UNIF
MIN
MID-L
Major adjustment lattice point No.
MID-H
MAX
ON/OFF
ON
OFF
CP-S235 (C10SM2)
R
0
G
0
B
0
6. To temporarily turn correction off, place the cursor
on [C.UNIF.] in the Adjust Tone menu and press the
[ ] key. The ON/OFF menu appears. Place the
cursor on [ON] with the [ ] key and press the [ ]
key. To turn it on again, place the cursor on [OFF]
and press the [ ] key.
7. Although this adjustment can also be made using
internal signals, we will here use the [ENTER] key
on the Remote control transmitter to select the
following two signals.
Solid monochrome adjustment colour (use G
colour adjustment when a colour differential meter
is used).
Solid white (use for adjustment other than
above).
8. Reset colour-shading correction before adjustment.
When 4 tones and all colours are to be reset,
place the cursor on [C.UNIF.] in the FACTORY
MENU, press the [RESET] key and select
[DEFAULT].
When only 1 tone is to be reset, place the
cursor on the tone to be reset, press the
[RESET] key and select [DEFAULT].
Single tone and monochrome resets cannot be
performed.
Major adjustment lattice point position
14
V/6
6
V/3
H/6
H/3
10
2
V/3
7
V/6
15
7
12
4
8
H/3
H/6
1
3
5
9
13
16
11
17
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