Launch Party - S4-E3
Revealing mistake: In the first scene, everyone is in the conference room, just waiting for the block on the TV to hit a corner while Michael is blabbing away. The screen has no reflections, but later when Michael talks to the camera there is a reflection. In the scene you can also see the off shading on the characters in it, making it very apparent that the scene was filmed using a green screen.
Answer: This is what a person on Reddit wrote regarding Jim and Pam: I know Morse code well, and most of it was gibberish, especially Jim's clicks. Pam's second transmission was almost intelligible as SE HE IT (3 clicks 1 click, 4 clicks, 1 click, 2 clicks and long click). "
raywest ★