TM 5-6675-318-14
b.
P l a c e the SELF TEST switch S4-2 in the ON position. Press RESET and
t h e n press STEP.
c.
S e t the X-MUTE S1 to the OFF position.
d.
P r e s s and hold the #4 PEN SELECT pushbutton for approximately five
Release.
seconds.
e.
A d j u s t the Y-3rd harmonic potentiometer R39 for minimum vibration
of the pen holder.
f.
P r e s s and hold the #5 PEN SELECT pushbutton until the plotter arm
s t o p s . Release.
Adjust the Y-gain potentiometer R27 for minimum vibration of the
g.
pen holder.
h.
P r e s s and hold the #6 PEN SELECT pushbutton until the plotter arm
stops.
Release.
C e n t e r the Y-B offset potentiometer R44 and adjust the Y-A R47 for
i.
m i n i m u m vibration of the pen holder.
Adjust the Y-B offset potentiometer R44 for minimum vibration of
j.
the pen holder.
R e t u r n the X-MUTE switch S1 to the ON position. Also place the
k.
S E L F TEST switch to the OFF position.
Press RESET.
l.
m.
Lower upper deck assembly and reinstall rear hood.
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