SP-20000M-PMCL / SP-20000C-PMCL
- 49 -
7.2.4 ExposureAuto
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 (Common with Gain Auto)
Exposure Auto Max:
The maximum value for the exposure time to be controlled can
be set
Exposure Auto 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 (Common
with Gain Auto)
ALC Channel area:
The measurement area of the exposure control can be set
7.3. Trigger Mode
Trigger Mode can be selected in Trigger Selector.
In the SP-20000-PMCL, the trigger mode is limited to Frame Start. However, it is possible to
operate as shown in Table-29 with the trigger option (JAI Custom).
Table - 29
Trigger operation settings
7.3.1 Trigger Selector
Selects the trigger operation. In the SP-20000-PMCL, only Frame Start is available.
Table - 30
Trigger selector
7.3.2 Trigger Mode
Select either free-running operation or external trigger operation.
OFF: Free-running operation
ON: External trigger operation
Camera Settings
JAI Custom
Trigger Mode
Name
Description
Trigger
Selector
Trigger
Option
Trigger
Mode
Exposure
Mode
Frame
Start
Off
Off
Off
Continuous Trigger
Self running operation with the maximum
exposure time per the frame rate
Off
Timed
Off
Continuous Trigger
Self running operation with a user-set
exposure time.
On
Timed
Off
EPS Trigger
Externally triggered operation with a user-
set exposure time
On
Trigger
Width
Off
PWC Trigger
Externally triggered operation with a pulse
width exposure time
On
Timed
PIV
PIV Trigger
Externally triggered operation for PIV
Trigger Selector
Item
Description
Frame Start
Frame Start Trigger