ADD
If the "Add" button is pressed, the signals of both channels are
added before they are displayed on the screen. The sum cannot only
be used in ordinary operating modes but in "X-Y"
mode, too.
In is version of the program both channels are always
triggered at the same time. On a real oscilloscope the Further, the "Add" button used together with the "Dual"
button enables "Chop" mode.
To see the Add function, press the "Add" button and release
the "Dual" button.
Sum of two signals
"Trig: ChA"
"Trig: ChB" button determines whether channel 1 or channel 2 is used
for triggering (the simulation does not support this).