6-5
Fig. b. (TV monitor picture)
Fig. a. (Video output terminal
output waveform)
CRT picture frame
0
±
0.1 msec
V
Difference in level
Enlargement
A
B
A
B
A B
H
A = B
Color bar chart standard picture frame
Yellow
Cyan
Green
White
Magenta
Red
Blue
Yellow
Cyan
Green
White
Magenta
Red
Blue
Electoronic beam
scanning frame
White
841mm
1189mm
Black
6-1-3. Precautions
1. Adjusting Procedure
Adjust in the given order.
2. Subject
1) Color bar chart (Standard picture frame)
Adjust the picture frame as shown in Fig. 6-4. if adjustments
are performed using the color bar chart. (Standard picture frame)
2) White pattern (Standard picture frame)
Remove the color bar chart from the pattern box, and so that
the white pattern will be displayed.
Don’t touch the zoom switch.
Note:
Use the non-reflecting and non-glazing vellum paper whose
size is more than A0, and make the boundary between white
and black to be smoothly flat.
Adjust the camera zoom and direction to obtain the output waveform
shown in Fig. a and the TV monitor display shown in Fig. b.
Fig. 6-4.
Fig. 6-5.
3) Chart for flange back adjustment
Combine a white A0 size (1189 mm
×
841 mm) paper to a
black one, and make the chart shown in Fig. 6-5.
