Grass Valley 3-CCD CameraMan - Manual (Page 46)

46 CameraMan Installation and Operation Manual
Appendix H — CPT 2018-A3D On-Screen Menus
Brightness Setting
Figure 25. Brightness Setting Submenu
Table 1. Brightness Settings
Picture Level (-50 to +50) Convergence level of AUTO IRIS/AUTO GAIN UP/AUTO ND (ELC) can be adjusted.
Light 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.
Light Area A photometric measurement method can be selected for AUTO IRIS/AUTO GAIN UP/AUTO ND
(ELC).
ALL: All the screen area is measured.
Center: The screen is measured mainly in the center 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.
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 been set for the Charge Time.
OFF: No auto gain up takes place. (Gain can be increased manually.)
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 Max Gain setting.