When using with the Canon Scoopic 16m, the light-meter should read TIME (Shutter) = 45 (1/45 sec), ISO (ASA) = 200, and MODE = Ambient. This short video explains how to configure the device for use in TCM134-136.
No matter how high or low I got my settings at, it displays the under exposed icon U and a capital E. Some people on the web have the same problem but no solution. Anyone here, maybe?