Keystroke

Comment

ALT+F2

Enable data cursor.

← or → (or use the mouse and the bottom annotation line)

Position cursor at first copy range limit on display channel one.

F4

Enable time marker to flag first copy range limit.

← or → (or mouse and bottom annotation line)

Position cursor at second copy range limit.

Choose File Save As… (ALT, F, A)

Invoke the Export utility.