Hitachi HV-D20P Operation Manual page 30

• AES
Note: AES cannot be used with Video Type Lens. To use AES with a manual iris lens, set the Lens
Type to DC and Iris Mode to Manual. If the iris opening is relatively wide in comparison to the
DC voltage (manual over-ride lens), set the Lens Type to DC and the Iris Mode to Auto.
Note: In the Auto CAM mode and the Lens Type is set to DC, the shutter is set to AES. If Lens Type
is set to Video, default is to off.
• EXT TRIGGER : External trigger refer to a function for picking up rapidly moving objects by
3) EXT TRIGGER : external trigger mode
For details of MODE1, MODE2, please refer to Page 35.
Note: Please input the trigger pulse signal, after the various kinds mode and polarity of EXT
TRIGGER are set up. Please do not draw out cable from a MULTI connector during the
external trigger function action.
: Auto electronic shutter operates in the Limit range setting. Optimum image
level is obtained under strong light conditions.
optical systems such as microscope or fixed iris lens which do not have automatic
light adjustment functions. Limit settings can be selected from 1/500 to 1/100000
second
applying a trigger pulse input.
It is possible to pick up an image with various timing, by the mode that was set
in EXT TRIGGER under 1 line.
Effectively used for special
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