Sony PMW-EX1R, Руководство по обслуживанию, Страница: 67 / 108

4-3 (E)
PMW-EX1R
3. Auto BLK Shad
.
The Auto BLK Shad menu enables the auto black shading correction (automatic optimization of the
respective correction values of the black shading correction).
.
When Auto BLK Shad menu is selected, the Execute and Cancel choices appear.
In addition, selecting Execute starts Auto Black Shading.
Black shading adjustment method
Preparation
.
Connect an HD waveform monitor to the SDI OUT terminal.
.
HD waveform monitor setting → RGB mode
.
Lens iris → CLOSE
Adjustment Procedure
1. Adjust GAIN and BLK level for easy viewing to observe.
2. Adjust H Saw, H Para, V Saw and V Para for the respective channels of G-ch, B-ch and R-ch until
waveform on the waveform monitor becomes fl at.
4-3-4. White Shading Adjustment
The White Shading menu enables the adjustment of the horizontal and vertical Saw correction level and
parabola correction level.
m
.
The White Shading adjustment cannot be executed for the correct adjustment values if the object pattern
has non-uniformity or if other conditions such as lens iris setting and zoom setting are not correctly
satis
fi ed.
.
Use a full white pattern for the White Shading adjustment having uniform brightness over the entire area.
.
If a full white pattern having uniform brightness over the entire area is not available, do not execute the
G-channel White Balance adjustment. Instead of it, execute the White Balance adjustment in the way of
aligning the R-channel waveform and the B-channel waveform to the waveform of G-channel.
1. Setting
The White Shading setting menu can be used to turn White Shading correction On or Off.
The White Shading correction is turned On automatically when the power is turned On.
2. Channel Select
.
The Channel Select menu enables selection of the channel (G-ch or B-ch or R-ch) to execute the H Saw,
H Para, V Saw, and V Para white shading adjustments on.
(H SAW)
(H PARA) (V SAW) (V PARA)