2-7
Fig. 5-3
(5). Pedestal Adjustment
Test Point:
Video Output Cable
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Cable.
8
Adjust data with the ARROW keys so that the Pedestal
level becomes 50 mV ± 5 mV as shown in Fig. 5-4.
8
Press the ENTER key for next adjustment.
8
Adjust data with the ARROW keys so that the Video sig-
nal level becomes 700 mV ± 50 mV as shown in Fig. 5-3.
8
Press the ENTER key for next adjustment.
Fig. 5-4
8
Press the ENTER key for next adjustment.
700 mV
±
50 mV
50 mV
±
5 mV
(6.1). Burst Level Adjustment
Test Point:
Video Output Cable
8
Keep the Colour Temperature at 3 200°K.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Cable.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 5-5.
8
Set the Mode Switch of the Vectorscope to NTSC mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 5-6.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.5-6.
8
Press the ENTER key for next adjustment.
300 mV
±
10 mV
Fig. 5-5
(6.2). Burst Level Adjustment
Test Point:
Video Output Cable
8
Keep the Colour Temperature at 3 200°K.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Cable.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 5-5.
8
Set the Mode Switch of the Vectorscope to NTSC mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 5-6.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.5-6.
8
Press the ENTER key for next adjustment.
cy
g
M
G
Y
L
yl
B
b
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
V
U
mg
r
20%
20%
dG
cy
g
M
G
Y
L
yl
B
b
G
C
Y
dG
10
°
0
°
10
°
dø
100%
75%
R
V
U
mg
r
20%
20%
dG
135
°
±
1
°
(90
°
±
2
°
)
(135
°
±
1
°
)
90
°
±
2
°
PAL mode
NTSC mode
Fig. 5-6
(6.3). Burst Level Adjustment
Test Point:
Video Output Cable
8
Keep the Colour Temperature at 3 200°K.
8
Aim the Camera at the Logarithmic Gray Scale Chart.
8
Connect the terminated Oscilloscope with 75
Ω
to the
Video Output Cable.
8
Adjust data with the ARROW keys so that the Burst level
becomes 300 mV ± 10 mV as shown in Fig. 5-7.
8
Set the Mode Switch of the Vectorscope to NTSC mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 135° ± 1° as shown in Fig. 5-8.
8
Change the Mode Switch of the Vectorscope from the
NTSC mode to the PAL mode.
8
Adjust data with the ARROW Keys so that the Burst
phase becomes 90° ± 2° as shown in Fig.5-8.
8
Press the ENTER key for next adjustment.
