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EL-2800M-GE2 / EL-2800C-GE2
- 83 -
Gain is fixed at Min.
Dark
Light changes
Bright
Auto Shutter
Max
Auto shutter operation
Max
~
Min (User set)
Auto Shutter
fixed at Min
Iris diaphragm fixed (Open)
Auto iris
operation
AGC works:
Auto shutter works:
Auto iris works:
AGC operation
Max
~
Min (User set)
AGC
Max
Iris stops just
before close
Operation if light changes
from dark to bright
Operation if light changes
from bright to dark
Fig.53 ALC function concept
ALC Reference will determine the target video level for AGC, Auto Shutter and/or Auto iris. For
instance, if ALC Reference is set to 100% video level, AGC, Auto Shutter and/or Auto iris will
function to maintain 100% video level.
Please note that ALC function is available only in continuous mode, as well as RCT mode.