ESC to hide the output pane

[eranif]

For me its simply F1.

You can try and change the keyboard shortcut to something more comfortable for you.
Settings | Keyboard Shortcuts

And type in the search box:
output

Eran

[DavidGH]

Hi,

Maybe in a future release the "Set new key accelerator" could accept only "not-special" keys.

Unfortunately different platforms/window managers/user-settings all have different 'special' keys, so that's unlikely to be possible.

Regards,

David