Appearance
Shortcut key
State
F5
The background of the button turns green during waveform output.
The background of the button will also be green when you select "Device/Start waveform output" from the menu bar.
Ctrl + F5
While the waveform output is stopped, the button background is gray.
The background of the button will also be gray when you select "Device/Stop waveform output" from the menu bar.