AM-200CL / AB-200CL
- 45 -
Fig.47 ALC function concept
Gain Auto Reference will determine the target video level for AGC, Auto Shutter and/or
Auto iris. For instance, if Gain Auto 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 for the continuous mode.
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
