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:

1￿ AES cannot be combined with a Video type lens.

2￿ When not using an auto iris lens, at the Lens menu, set Lens Type to DC and Iris Mode to Manual.

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Hitachi HV-D25 operation manual Alc