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1. Stopper Button Operation
If the stopper button
is press-
ed when the stopper button mark
is set to
the meter needle
deflects according to bright-
ness. Then when the button is released,
the needle remains fixed at the indicated
position.
By holding the stopper button depressed
and turning it clockwise so that the mark
position becomes
the needle is released.
At this time, the meter will deflect freely
even if the stopper button is released. To
fix the needle, turn the stopper button
counter-clockwise to where the
mark is positioned
With stopper button in released
position, cover light sensor
with hand or black cloth to completely
block light. Check that
meter needle
correctly indi-
cates zero position. If the indication
deviates from zero, while observing
meter indication, use a coin or similar tool
to turn the
rear zero adjust screw
and
adjust for zero indication.