ADLINK Technology NuDAQ PCI-9810 User Manual page 77

The setting of trigger mode, trigger signal polarity, trigger level,
channel number and post trigger count (for middle trigger and
delay trigger) can be adjusted or changed by using the keys
indicated. After finishing adjusting these settings, press "Enter" to
start performing the test function. With this function, you can test
and view the different effect of various trigger modes. In addition,
an arrow shown on the screen indicates the trigger position. If the
trigger source is also an enabled A/D channel, you can easily view
the result of changing trigger levels. The following diagram is a
snapshot of the post-trigger testing.
Software Utility 67