TM 5-6675-320-14
b.
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m.
Place the SELF TEST switch S4-2 in the ON position. Press RESET and
then press STEP.
Set the X-MUTE S1 to the OFF position.
Press and hold the #4 PEN SELECT pushbutton for approximately five
seconds.
Release.
Adjust the Y-3rd harmonic potentiometer R39 for minimum vibration
of the pen holder.
Press and hold the #5 PEN SELECT pushbutton until the plotter arm
stops.
Release.
Adjust the Y-gain potentiometer R27 for minimum vibration of the
pen holder.
Press and hold the #6 PEN SELECT pushbutton until the plotter arm
stops .
Release.
Center the Y-B offset potentiometer R44 and adjust the Y-A R47 for
minimum vibration of the pen holder.
Adjust the Y-B offset potentiometer R44 for minimum vibration of
the pen holder.
Return the X-MUTE switch S1 to the ON position. Also place the
SELF TEST switch to the OFF position.
Press RESET.
Lower upper deck assembly and reinstall rear hood.
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