27 Piranha2 User’s Manual
3.8 Setting the Video Mode
The video mode sets whether the camera is running in calibrated or uncalibrated mode,
or if it is generating a test pattern.
To set the video mode, use the command:
Syntax:
svm i
Syntax Elements:
i
Video mode to use. Allowable values are:
0 Uncalibrated video, deactivated video correction
1 Calibrated video, activated video correction
2 Test pattern right
Notes: To obtain the current video mode, use the command gcp.
3.9 Setting Line Rate and Exposure Mode
The camera’s line rate (synchronization) is generated internally or input from a frame
grabber/host system. With six different exposure mode settings, the Piranha2 delivers
many possibilities for flexible camera timing. Table 9 outlines each of these six exposure
modes, and is followed by a full explanation on how to set the camera’s frame rate and
exposure time.
Table 9: Piranha2 Exposure Modes
Programmable Line Rate Programmable Exposure Time
Mode SYNC PRIN Description
1 Internal Internal No No Maximum line rate and exposure time
(factory setting)
2 Internal Internal Yes Yes Exposure control OFF until a set
command is sent
3 External Internal No No Maximum exposure time
4 External Internal No No Smart EXSYNC
5 External External No No
6 External Internal No Yes Fixed integration time
To obtain the current value of the exposure mode, use the command gcp.
When setting the camera to external signal modes, EXSYNC and/or PRIN must be
supplied.
Overview: Setting Line Rate and Exposure Time
The camera’s line rate (synchronization) can be generated internally through software
commands or input externally from a frame grabber/host system. To select how you
want the camera’s line rate to be generated:
1. You must first set the camera mode using the
sem command. Refer to Setting the
Exposure Mode on the following page for details.
03-32-00493-11 DALSA
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