Sinn EZM 9 TESTAF, User Manual, Page: 20 / 31

20
Using the pilot’s bezel to measure time
the pilot’s bezel can be moved manually in both directions. the triangle
glows in the dark. It can be used in a number of ways, including to measure
important lengths of time. For example, you can set the marking to the
beginning of the time span to be measured, or you can use it to indicate the
end of a given span of time.