Datasheet

2. Adjust the function adjusting knob of GDB-03 demo board to “Logic”
function selection. Press the “Option” Key at the bottom-right hand side
of the screen to turn on the Logic Analyzer, then turn on the 0-7 channel
display.
3. Press the “Menu” button at the right-hand side of the oscilloscope to
set the Logic mode as trigger condition.
Adjust the knob to
“Logic” function
Set the trigger mode
as “Logic”