Alc; Agc, Lens & Aes; Agc & Lens; Agc & Aes - Hitachi HV-C20 Operation Manual

ALC

Three kinds of the automatic level control (ALC) functions are available by the combination
of the AGC:ON mode, SHUTTER:AES mode and AUTO IRIS. Therefore, a stable video output signal
is available for the wide change in quantity of light.
Note 1. The AES function is not available for a lens of VIDEO type.
2. When an auto iris lens is not used, set TYPE to DC and IRIS to MANUAL, using the LENS
menu.
AGC, LENS & AES
AGC & LENS
AGC & AES
AGC range Auto iris range
AES range (corresponding)
(DC type)
+6dB to 0dB OPEN LIMIT CLOSE LIMIT
+18dB
AGC range Auto iris range (VIDEO type)
+6dB to 0dB
+18dB
AGC range AES range (corresponding
+6dB to 0dB
+18dB
To 4 lens stops)
to 4 lens stops)