7. Flange Back Check8. Picture Frame Setting
SubjectSiemens starSubjectColor bar chart
(2.0m from the front of the lens)(Color reproduction adjustment
(Luminance : approx. 200 lux)frame)
(1.5m from the front of the lens)Measurement PointCheck operation on TV monitor
Measurement PointVideo output terminal
Measuring Instrument
Measuring Instrument Oscilloscope and TV monitorSpecified ValueFocused at the TELE end and WIDE
end.Specified ValueA=B, C=D, E=F
Switch setting:Switch setting:
1) POWER..................................................................1) POWER..................................................................CAMERACAMERA
2) NIGHT SHOT ..................................................................2) NIGHT SHOT ..................................................................OFFOFF
3) DIGITAL ZOOM (Menu display) ...................................3) DIGITAL ZOOM (MenOFFu display) ...................................OFF
4) STEADY SHOT (Menu display) .....................................4) STEADY SHOT (Menu displaOFFy) .....................................OFF
Checking method:Setting method:
1) Place the Siemens star 2.0m from the front of the lens.1) Adjust the zoom and the camera direction, and set to the
2) To open the IRIS, decrease the luminous intensity to thespecified position.
Siemens star up to a point before noise appear on the image.2) Mark the position of the picture frame on the monitor display,
3) Shoot the Siemens star with the zoom TELE end. and adjust the picture frame to this position in following
4) Turn on the auto focus.adjustments using OColor reproduction adjustment frame�.
5) Observe the TV monitor and check that the lens is focused.
6) Turn off the auto focus.Check on the oscilloscope
7) Shoot the Siemens star with the zoom WIDE end.1. Horizontal period
8) Observe the TV monitor and check that the lens is focused.A=BC=D
BC
AD
Fig. 5-1-8.
2. Vertical period
EFE=F
V
Fig. 5-1-9.
Check on the monitor TV (Underscanned mode)
Color bar chart picture frameMonitor TV picture frame
Fig. 5-1-10.
5-20 |
ACEC
SONY
