Hitachi HV-D30 Security Camera User Manual


 
ALC
In combination of GAIN:AGC, SHUTTER:AES and AUTO IRIS, the following four kinds
of ALC (auto level control) can be performed. This feature ensures stable video signal
output according to a wide-range change in illumination.
Note
1AES cannot be combined with a Video type lens.
2When not using an auto iris lens, at the Lens menu, set Lens Type to DC and Iris
Mode to Manual.
+6dB to +24dB
0dB OPEN LIMIT CLOSE LIMIT
to 1/100,000s
AGC+AUTO IRIS+AES
AGC range
AUTO IRIS range
(DC type lens)
AES range
AGC range
AUTO IRIS range
(DC type/VIDEO type lens)
AGC+AUTO IRIS
AES range
AUTO IRIS range
(DC type lens)
AUTO IRIS+AES
AGC range AES range
AGC+AES
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