Sekonic L-398M Operating Instructions Manual page 10

needle deflects according
to brightness. When the stopper button is
released, the meter needle becomes fixed
at the deflected position. If the location is
excessively bright and the meter needle
deflects beyond scale, insert the High
slide
e. Read the footcandle indication
of the meter needle.
f. Transfer footcandle value to
the dial scale
dial ring and set the
scale mark. If the High slide
has been inserted, set the
mark.
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