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5-37
DCR-IP45/IP45E/IP55/IP55E
3. Contrast Adjustment (DI-085 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
Note: Do either of the automatic adjustment or the manual adjustment.
3-1.
Automatic Adjustment
Mode
Camera
Subject
Arbitrary
Adjustment Page
C
Adjustment Address
81
Note1: The cabinet (R) must be connected.
Note2: The data of page: 0, address: 10 must be “00”.
Note2: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
3
00
0E
Set the data, and press PAUSE
button.
button.
3
3
01
Check that the data changes
from “0E” to “00”.
from “0E” to “00”.
4
3
00
00
Set the data, and press PAUSE
button.
button.
5
0
01
00
Set the data.
3-2.
Manual Adjustment
Mode
Camera
Subject
Arbitrary
Measurement Point
Pin qg (G) of CN3602 of VF-154
board
board
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
81
Specified Value
A = 2.4
± 0.1V
Note: The data of page: 0, address: 10 must be “00”.
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
C
81
Change the data and set the
voltage (A) between the 3 steps
peak and pedestal to the
specified value.
(The data should be “00” to “7F”.)
voltage (A) between the 3 steps
peak and pedestal to the
specified value.
(The data should be “00” to “7F”.)
3
C
81
Press PAUSE button.
4
0
01
00
Set the data.
Fig. 5-1-18.
3 steps peak
Pedestal
A
2H
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