Sony fcb-ev7500 Technical Manual

Also see for fcb-ev7500: Quick start guide

Contents

Basic FunctionsWhite BalanceWhite Balance has the following modes, all of whichcan be set using VISCA Commands.• Auto White BalanceThis mode computes the white balance value outputusing color information from the entire screen. Itoutputs the proper value using the color temperatureradiating from a black subject based on a range ofvalues from 2500K to 7500K.This mode is the factory setting.• ATWAuto Tracing White balance (2000K to 10000K)• Indoor3200K Base Mode• Outdoor5800K Base Mode• One Push WBThe One Push White Balance mode is a fixed whitebalance mode that may be automatically readjustedonly at the request of the user (One Push Trigger),assuming that a white subject, in correct lightingconditions, and occupying more than 1/2 of theimage, is submitted to the camera.One Push White Balance data is lost when the poweris turned off. If the power is turned off, reset OnePush White Balance.• Manual WBManual control of R and B gain, 256 steps each• Outdoor AutoThis is an auto white balance mode specifically foroutdoors. It allows you to capture images with naturalwhite balance in the morning and evening.• Sodium Vapor Lamp AutoThis is an auto white balance mode that is compatiblewith sodium vapor lamps.• Sodium Vapor LampThis is a fixed white balance mode specifically forsodium vapor lamps.• Sodium Vapor Lamp Outdoor AutoThis is an auto white balance mode specifically foroutdoors, which is compatible with sodium vaporlamps.NoteHigh-pressure sodium lamps are supported. Properwhite balance may not be captured for some subjectswhen using low-pressure sodium lamps.Automatic Exposure ModeA variety of AE functions are available for optimaloutput of subjects in lighting conditions that rangefrom low to high.• Full AutoIris, Gain and Shutter Speed can be set automatically.• Gain Limit SettingThe gain limit can be set at the Full Auto, ShutterPriority, Iris Priority, Bright, Spot Exposure andManual in the AE mode. Use this setting when imagesignal-to-noise ratio is particularly important.• Shutter Priority 1)Variable Shutter Speed, Auto Iris and Gain(1/1 to 1/10,000 sec., 16 high-speed shutter speedsplus 6 low-speed shutter speeds)1) Flicker can be eliminated by setting shutter to 1/100s for NTSC models used in countries with a 50 Hzpower supply frequency 1/120s for PAL models used in countries with a 60 Hz powersupply frequency• Iris PriorityVariable Iris (F1.6 to Close, 14 steps), Auto Gain andShutter speed• ManualVariable Shutter, Iris and Gain• BrightVariable Iris and Gain (Close to F1.6, 14 steps andF1.6 at 15 steps)AE – Shutter priorityThe shutter speed can be set freely by the user to a totalof 22 steps – 16 high speeds and 6 low speeds. Whenthe slow shutter is set, the speed can be adjustedaccording to subject brightness. The picture output isread at a normal rate from the memory. The memory isupdated at a low rate from the CMOS. AF capability islow.In high speed mode, the shutter speed can be set up to1/10,000s. The iris and gain are set automatically,according to the brightness of the subject.