National Instruments NI PCI-6110 - Manual (Page 25)

Chapter 3 Hardware Overview
NI PCI-6110/6111 User Manual 3-6 ni.com
In below-low-level analog triggering mode, the trigger is generated when
the signal value is less than lowValue, as shown in Figure 3-5. HighValue
is unused.
Figure 3-5. Below-Low-Level Analog Triggering Mode
In above-high-level analog triggering mode, the trigger is generated when
the signal value is greater than highValue, as shown in Figure 3-6.
LowValue is unused.
Figure 3-6. Above-High-Level Analog Triggering Mode
In inside-region analog triggering mode, the trigger is generated when the
signal value is between the lowValue and the highValue, as shown in
Figure 3-7.
lowValue
Trigger
highValue
Trigger