Ikegami HDL-4500, Руководство по эксплуатации

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About the operation of the AVC function
The following section describes about the AVC function, and the parameter setting value in the ENGINEER MENU PAGE1 AVC
SETUP item.
When the AVC function is operated (MENU PAGE3 AVC SELECT ON), the AVC function is controlled automatically to always
keep an appropriate image level by using the auto iris, the auto gain control, and the ND
fi lter. When the iris cannot be stopped
down based on the auto iris, the ND fi lter takes over it. Moreover, when the iris is open, the auto gain control takes over it.
Dark
Auto ga i n control operat i on
Area where parameter sett i ng
value for DAY i s reflected
Area where parameter sett i ng
value for NIGHT i s reflected
Auto i r i s operat i on Auto i r i s + ND f i lter control
Br i ght
Auto iris + ND filter control
The ND fi lter enters for one stage when lens IRIS value exceeds F13.
The ND fi lter drops out of for one stage when lens IRIS value becomes F4 or less.
Auto gain control operation
The auto gain control starts when the ND fi lter is 1. CLEARD and F value becomes F2.8 or less.
[ENGINEER PAGE1] Structure of AVC SETUP
・ FUNCTION
ENABLE : AVC operation
DISABLE : Standard operation
・
D/N TIME
The takeover timing of [DAY MODE] and [NIGHT MODE] can be set from two kinds .
STANDARD : Factory setup data
FAST : The follow timing becomes rapid operation compared to STANDARD .
・ D/N CHANGE LEVEL
The image level point taken over from [DAY MODE] to [NIGHT MODE] can be set from 4 kinds .
The image level is taken over from [DAY MODE] to [NIGHT MODE] at a high point in order of TYPE4 → 3 → 2 → 1 .
TYPE1 or TYPE2 is recommended for the operation as the information camera, and TYPE3 or TYPE4 is
recommended for the operation as the surveillance purpose .
AVC SETUP
QUIT
FUNCTION ENABLE
AVC MODE
D/N TIME
STANDARD
D/N CHANGE LEVEL TYPE1
F LIMIT
①
②
5-30 5 . OPERATION