3-21 (E)
HDC-P1
A
3-4-6. Auto-iris Adjustment
Equipment:
Waveform monitor (R, G, B)
Test Point:
SDI 1 and SDI 2 connectors
Object:
Grayscale
chart
Preparations
.
Setting for MSU-900
AUTO button (Iris control block)
→
ON (lit)
KNEE OFF button
→
OFF (lit)
.
Shoot the grayscale chart so that the chart frame is aligned with the underscanned monitor frame.
Adjustment Procedure
1. Perform the automatic white balance adjustment.
WHITE
button/MSU-900
→
ON (lit)
2. Adjust the APL ratio.
MSU menu operation:
.
MAINTENANCE button
→
ON (lit)
.
Touch panel operation
[Lens|Adjusting]
→
[Auto|Iris]
Adjustment item:
APL
Ratio
Speci
fi
cation:
Set the auto-iris operation
mode as required. (It can be set
between the average and the
peak value of video signal.)
99
→
average
_
99
→
peak value
3. Adjust the auto-iris level.
MSU menu operation:
Adjustment item:
Level
Speci
fi
cation:
A
=
700
?
7 mV
Summary of Contents for Power HADFX HDC-P1
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Page 238: ...Sony Corporation HDC P1 SY J E 9 968 724 01 Printed in Japan 2010 2 08 2010 ...