Hitachi HV-D30 operation manual Alc

Page 50

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.

0dB	OPEN LIMIT	CLOSE LIMIT
+6dB to +24dB		to 1/100,000s

AGC+AUTO IRIS+AES

AGC+AUTO IRIS

AGC range	AUTO IRIS range	AES range
	(DC type lens)
	(DC type lens)

AGC range	AUTO IRIS range
	(DC type/VIDEO type lens)

AUTO IRIS+AES

AUTO IRIS range	AES range
(DC type lens)

AGC+AES

AGC range

AES range

37

Image 50

Contents Model HV-D30 Read Instructions CleaningAccessories Retain InstructionsGrounding or Polarization Power SourcesPower-Cord Protection LightningSafety Check Damage Requiring ServiceReplacement Parts Wall or Ceiling MountingWarnungen beachten Alle Anweisungen lesenDie Anweisungen aufbewahren Anweisungen befolgenNetzkabelschutz StromversorgungErdung oder Polarisierung BlitzschlagBeschädigung, die Wartung erfordert Starke stöße oder VibrationenWartung ErsatzteileConserver ces instructions AccessoiresLire les instructions Tenir compte des avertissementsProtection du cordon d’alimentation Sources d’allmentationMise á la terre ou polarisation FoudreDommages nécessitant réparations Chocs ou vibrations violents19. Réparations 21. Piéces de rechangeImportant Notice Table of contents Page Overview FeaturesStandard composition Page CCD properties Continuous operationTransportation Page FILE/R button Menu ModeName and function each section Pilot lampLens Lens selectionVideo signal type lens adjustment Triangle mark is center. If Camera mounting System examples Menu Screen Operation Menu StructureSpecial SET Lens Hite Gate Main Menu SUB Menu Auto electronic shutter operates in the Limit range setting Comb Filter Slow Auto ShadingALC FastALC Gate ON/OFF toggle Special SET Lens White Gate Level Masking Gamma Standard DTLLOW HIGHDTL SUB Mode MODE1, CCD Mode FLD Ext triggerMode MODE2, CCD Mode FRM Mode MODE1, CCD Mode FRMMode MODE2, CCD Mode FLD OUTPUT/SYNC File set Other FuncID/TITLE Display Position 17. ID/TITLETitle Auto Black BAR How to Attain Better ImagesBlack Balance Adjustment Auto BlackWhite Balance Adjustment Change to Manual Long Shutter Mode Change TRY Again CAM Mode AutoTemp LOW Realtime Auto White Auto Shading CorrectionALC 38 RC-Z3 Remote Control Panel OperationRC-Z3 panel facilities Extender LEDPage Gain control MEM AUTOMenu screen composition SW401 Function Selection by Internal Switch SettingSW806 Connectors GND CCD SpecificationsNTSC, PAL Ntsc50.31 to 1/2024 second H Output signal ratings Input/Output SignalsInput signal conditions Page Major accessories Dimensions