Tool for recording use of L1 and L2 when observing an MFL lesson. When teacher is speaking L1, press and hold the 'E' key, or click and hold the blue button on the left. When teacher is speaking L2, press and hold the 'L' key, or click and hold the blue button on the right. Click GREEN FLAG or press 'N' at the start of a new lesson, i.e. to reset the timers.
