No. 20S125-00 Exposure time control 1) Exposure time control Selects exposing control method from “Fixed exposure time” and “Auto exposing (AEE)”. 2) Exposure Time Sets the exposure time for fixed exposure time control. 3) AEE minimum exposure time, AEE middle exposure time and AEE maximum exposure time The exposure time for is changing automatically with these settings, based on brightness of object. It is necessary to set minimum, middle and maximum AEE exposure time as below order. AEE minimum exposure time 4) AEE tolerance The AEE process will be stop when differences between “ALC target brightness” and current brightness becomes smaller than AEE tolerance.
5) AEE threshold The AEE process will be start when differences between “ALC target brightness” and current brightness becomes greater than “(AEE tolerance + AEE threshold)” The maximum amount of exposure time change for AEE control is limit by this setting. 6) AEE speed STC-HD213DVN-B / STC-HD213SDIN-B Product Specifications and User’s Guide 32/89