User manual

SP-5000M-GE2 / SP-5000C-GE2
- 65 -
7.2.2 Exposure Time
This command is effective only when Exposure Mode is set to Timed. It is for setting exposure time.
The setting step for exposure time is 1 μsec per step.
Minimum: 10 μsec
Maximum: 8 seconds (Note – noise may make image unusuable after 2 seconds)
7.2.3 Exposure Auto
This is a function to control the exposure automatically. It is effective only for Timed.
JAI ALC Reference controls the brightness.
There are three modes, OFF, Once and Continuous.
OFF: No exposure control
Once: Exposure adjusts when the function is set, then remains at that setting
Continuous: Exposure continues to be adjusted automatically
In this mode, the following settings are available.
ALC Speed: Rate of adjustment can be set
ASC Max: The maximum value for the exposure time to be controlled can
be set
ASC Min: The minimum value for the exposure time to be controlled can
be set
ALC Reference: The reference level of the exposure control can be set
ALC Area Type： The area for exposure control can be set (common with Gain
Auto)
ALC Customer Area Selector: Select the exposure area from 16 choices (4x4)
ALC Area Enable: This can Enable or Disable the area selected by ALC
Custom Area Selector
Fig.33 ALC Area Type
Fig.32 ALC Custom Area selector
Row0
Row1
Row2
Row3
Column 0 Column 1 Column 2 Column 3
Half Width Half Height
Half Width and Half Height
All