To do the procedure, viewers first write the question that needs to be answered. They then draw a long rectangle with a line down the center. The possible answers to the question are written at that time, one above each half of the rectangle. Viewers then put their pen in the center of the line that divides the rectangle, and the pen flies immediately to the correct side. An arrow head is added at the end of the quickly drawn line.
Viewers then probe the centers of both halves of the rectangle to confirm their findings.
Binaries are very common in Enhanced SRV, especially near the end of a session. The following is an example of a binary procedure. The Farsight Institute All Rights Reserved.