User's Guide

9.4 Testing and
Ad
just
in
g the Meter
If
you are operating the üghtmeter for test purposes, don'I forgel
to have
fùm in the gale before taking a reading.
The following is the procedure for checking and adjusting the
sensitivity reading
of
the Iightmeter:
1 - Evenly Iighl a standard 18% grey
cardo
2 - With a Joaded magazine and Jens on the camera, frame the
chart
50
thal
il
compJetely fills the
Superl6
frame.
3 - With a properly calibraled handhe1d lightmeter,
take a reading
of
the grey surface and sel the T SIOp
of
the lens accordingly.
4 - Switch the camera
10
run or test position and check the posi-
tion
of
the darkened diode.
If
the center green diode is darkened,
the camera's
lighrmeler is sel correctly.
If
the darkened diode is
to the Jeft or right.
il
is possible
10
adju
sI
its readîng.
5 -
To
access the üghtmeler potentiometer. remove the complele
viewfinder by means
of
the four screws which mount il to the
front housing. Locate the hole between the
two
viewfinder
screwholes on the top motor side
of
the front housing.
The
white
potentiometer will
be visible withln thls hole.
6
With a small screwdriver, adjust the potentiometer slightly;
118
of
a
IUIn
willl)ave an effec!. ROlating clockwise will correct
an overexposure and move the darkened diode to the
left; rOlal-
iag counterclockwise will correct an underexposure.
ln order 10 check your adjustment. replace the viewfinder.
tighten the four screws and repeat the procedure from
slep
4.
When the reading through the camera matches your handheld
meter, the adjustment is
com
pl
ete.