1_ setupsetupIRISThe IRIS menu is useful if you set to adjust theintensity of radiation incoming to the camera.ALC : Adjust the open and close of the iris.- LEVEL : Select an overall brightness level.- BLC : With <BACKLIGHT> set to<BLC>, you can specify the BLC area.With AREA set to <USER>, you can spec-ify the position and size.- WDR : If you set <BACKLIGHT> to<WDR>, you will see a menu where youcan set the WDR options.Specify the shutter speed in WDR LEVEL,and, the composition level in <WEIGHT>.Select OUTDOOR, or INDOOR in<WHITE BAL>.The WDR feature provides an extension ofthe gain range, which is useful, especiallyif you work on pictures both indoors andoutdoors from inside of a building.Namely, it improves the sharpness of the picture in outdoor scenery as well asindoor.As long as you use the VPS function, the WDR will not be available as the CCD readmethod differs accordingly. If you set VPS to ON, WDR will be set to <OFF>accordingly.WDR is only available for SCC-C4255P and SCC-C4355P.MANUAL : Adjust the iris level manually.The overall brightness target of a camerawill be set to ALC level 0, while the iris canbe adjusted manually.M M ALCLEVEL [ 00] ---- I ----BACKLIGHT BLCAREA USERALCLEVEL [ 00] ---- I ----BACKLIGHT WDRWEIGHT MIDWDR LEVEL [ 0] ---- I ----WHITE BAL INDOORMANUALLEVEL [ 00] ---- I ----