5-23
CCD-TRV107E/TRV108E/TRV208E/TRV408E
2. Contrast Adjustment (VF-150 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).
Note:
Do either of the automatic adjustment or the manual adjustment.
2-1. Automatic Adjustment
Mode
Camera
Subject
Arbitrary
Adjustment Page
7
Adjustment Address
3A
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
6
01
E5
Set the data, and press PAUSE
button.
3
6
02
Check that the data changes
from “00” to “01”.
4
6
01
00
Set the data, and press PAUSE
button.
5
0
01
00
Set the data.
2-2. Manual Adjustment
Mode
Camera
Subject
Arbitrary
Measurement Point
EVF VG
(Pin
qf
of CN713 of VC-272 board)
Measuring Instrument
Oscilloscope
Adjustment Page
7
Adjustment Address
3A
Specified Value
A = 2.28± 0.12V
Adjusting method:
Order Page Address Data
Procedure
1
0
01
01
Set the data.
2
7
3A
Change the data and set the
voltage (A) between the 100 IRE
and 0 IRE (pedestal) to the
specified value.
(The data should be “00” to “7F”.)
3
7
3A
Press PAUSE button.
4
0
01
00
Set the data.
RadarW
RadarW
RadarW
RadarW
RadarW
Fig. 5-1-15.
100 IRE
Pedestal
A
2H