NAC Image Technology ST-839, User Manual

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Use the Auto Exposure Function
Use the Auto Exposure Function
The auto exposure function (AEC ： Automatic Exposure Control) automatically adjusts the shutter speed to
make the image an appropriate brightness using photometry specified for the image photographed. Use when
recording outdoors to when the ambient brightness changes due to varying states of cloud cover, time or
weather.
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(00400)
■ Set the Auto Exposure Function
Set the auto exposure function adjustment level (AEC) and area of interest (AOI) to use the auto exposure
function.
The area of interest for the auto exposure function has the same settings as the image trigger area of
interest (AOI). (
 A
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１
Access the VIEW MENU
(

A
3-12)

Access the VIEW MENU from the VIEW mode.
２
Select the AEC with the up/down arrows
• Use the up/down arrows to move to the
selected item (reverse display) and select AEC.
３
Select the adjustment level for the auto
exposure function with the left/right
arrows
• Use the left/right arrows to turn the auto
exposure function
ON ／ OFF and to select the
adjustment level.
• OFF: Do not use the auto exposure
function
• LOW: Adjust the image brightness
darker
• NORMAL: Adjust the image brightness to
normal
• HIGH: Adjust the image brightness to
brighten