9-17
HDW-750/750CE V1
9-14. Gamma Correction Adjustment
Preparation
.
Lens iris
→
MAN
.
OUTPUT/DCC switch (inside panel)
→
CAM/ON
.
WHITE BAL switch (inside panel)
→
A
.
Shoot a gray-scale chart to fill the entire screen of the
under-scanned picture frame and execute AWB.
Equipment :
HD digital waveform monitor
Measurement point : HD SDI connector (outside panel)
Adjustment point :
Open the lens iris to obtain the
white level of A = 700
±
14 mV.
Adjustment Procedure
Equipment :
HD digital waveform monitor
Measurement point : HD SDI connector (outside panel)
1.
Complete the setting as shown below by using the
setup menu.
MENU : PAINT
PAGE : 01
*
GAMMA
ITEM :
TEST SAW
→
DIGITAL
Select a horizontal scanning line in the portion B on
the waveform monitor using the LINE SELECT
function.
2.
Complete the adjustment as shown below by using the
setup menu.
MENU :
PAINT
PAGE :
04
*
GAMMA
ITEM :
R GAMMA
Specifications : Minimize the color difference level at
the portion C.
3.
Complete the adjustment as shown below by using the
setup menu.
MENU :
PAINT
PAGE :
04
*
GAMMA
ITEM :
B GAMMA
Specifications : Minimize the color difference level at
the portion C.
4.
Repeat steps 2 and 3 several times until the carrier leak
is removed at “C”.
A
B
C
9-14. Gamma Correction Adjustment