Here’s your video introduction to Section 7.2, “Test Equipment,” in the ARRL Extra Class License Manual for Ham Radio.
After finishing the video, studying Section 7.2, and becoming comfortable with the relevant questions in the question pool, you may return to the list of videos by clicking here.
I ran into a couple production problems regarding transitions (fades or dissolves). It appears to be a bug in PowerDirector.
Many thanks to Greg Lehey for providing me with a picture of a Tektronix 555 oscilloscope. What a monster that thing was!