Automatic electronic shutter, Backlight compensation – Toshiba IK-643A User Manual
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4. AUTOMATIC ELECTRONIC SHUTTER______
Exposure time is controlled automatically within a range of 1/60 sec. to 1/80000 sec. to obtain
an adequate signal when the back panel switch is turned to AES.
When the back panei switch is turned to Al or Ai Amp, the exposure time is fixed 1/60 sec.
5. BACKLIGHT COMPENSATION____________
When the automatic electronic iris and the auto iris lens is used, the exposure adjustment is
automaticaiiy performed so that a best picture is obtained at a monitor zone of about 50% in
horizontai and about 70% in vellicai direction.
5
5 0
%
(Monitor screen)