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17 Chapter 2
2.5.1 Testing Digital Input Function
Click the Digital Input tab to show the Digital Input test panel as seen
below. By the color of the LEDs, you can easily discern whether the sta-
tus of each digital input channel is high or low.
Figure 2.6: Digital Input Tab in Device Test Dialog
2.5.2 Testing Digital Output Function
Click the Digital Output tab to bring up the Digital Output test panel as
shown below. By pressing the buttons on each tab, you can easily set each
digital output channel as high or low for the corresponding port