Grass Valley Ignite SDC - Manual (Page 50)

50 Ignite SDC/HDC Robotic Camera Instruction Manual
Appendix A — SD (NTSC) Camera Block
User Mode Submenus Overview
Iris, Shutter, Gain Settings Overview
Figure 24. Iris, Shutter, Gain Settings Submenu
Table 9. Iris, Shutter, Gain Settings
Selection Description
Picture Level
(-50 to +50) Convergence level of AUTO IRIS, AUTO GAIN UP, ELC can be
adjusted.
Light PEAK/AVG
(P50 to A50) The ratio of AUTO IRIS, AUTO GAIN UP, ELC detected peak to
average can be adjusted within a range.
Light Area
A photometric measurement method can be selected for AUTO IRIS, AUTO
GAIN UP, ELC.
All: All the screen is measured.
Center: The screen is measured mainly in the center area, about one-third
of both the top and bottom and one-third of both the right and left portions
of the screen are excluded from measurement.
Top cut: About one-third of the top portion of the screen is excluded from
measurement.
BTM cut: About one-third of the bottom portion of the screen is excluded
from measurement.
R/L cut: About one-third of both the right and left portions of the screen are
excluded from measurement.
Auto Iris Adjust (ON, OFF)
Shutter Mode
Step: Electronic shutter operates at the speed selected by the Step/Synchro
setting.
S/Scan (Synchro Scan): Electronic shutter operates at the speed selected
in Step/Synchro setting.
ELC: Electronic shutter is controlled to automatically adjust the luminance.
*If Frame 1 is selected in Field/Frame setting, Shutter Mode setting cannot
be added.
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