GRASS VALLEY CameraMan CPT-2018, Installation And Operation Manual

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62 CameraMan Installation and Operation Manual
Appendix I — CPT 2018-A3DP On-Screen Menus
Brightness Setting Overview
Figure 39. Brightness Setting Submenu
Table 14. Brightness Settings
A.Iris Level (-50 to +50) Convergence level of AUTO IRIS/AUTO GAIN UP/AUTO ND (ELC) can be adjusted.
A.Iris PEAK/AVG (P50 to A50) The ratio of AUTO IRIS/AUTO GAIN UP/AUTO ND (ELC) detected peak to average can
be adjusted within a predetermined range.
Auto Iris Area A photometric measurement method can be selected for AUTO IRIS/AUTO GAIN UP/AUTO ND
(ELC).
All: All the screen area is measured.
Centre: The screen is measured mainly in the centre area, about one-third of both the top and bot-
tom 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 part 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 mea-
surement.
Auto ND (ELC) This cannot be set unless either “OFF” or “Auto” has been set for the Charge Time setting.
ON: The electronic shutter is controlled to automatically adjust the luminance.
OFF: Luminance is not automatically adjusted by the electronic shutter.
Auto Gain Up This cannot be set when “Auto” has bee set for the Charge Time setting.
OFF: The light quantity is not adjusted automatically.
ON: The light quantity is adjusted automatically. The maximum to which the gain can be increased
using the auto gain up function is selected by the AGC maximum gain setting.