The X-Axis and Y-Axis Modules are essentially identi-
cal and both are calibrated in the same way. Use the fol-
lowing procedure for both types of Modules:
(a) Set the polarity switch (+/–) to your required polarity
as follows:
X-Axis:
+ (button UP) = increasing signal toward top of chart
– (button DOWN) = increasing signal toward bottom
of chart
Y-Axis:
+ (button UP) = increasing signal toward right of
chart
– (button DOWN) = increasing signal toward left of
chart
(b) Set the pen to the zero position by pressing the O/M
button so that is pops up to O (Up position). This dis-
ables the input and sets the pen to the edge of the chart.
If the pen is not exactly on the edge of the chart (press
the Pen Lift switch to lower the pen to see where it
touches the paper), use the thumbwheel on the Axis
Module to adjust the pen position. Note that the Y-Axis
thumbwheel will move the pen up and down, while the
X-Axis thumbwheel moves it left and right.
(c) After the pen has been zeroed, press the O/M switch
to M. If you fail to do this, you will not be able to
read any input signals.
(d) Set the MAGNIFICATION FACTOR switch to 1.
(e) Set the CAL/VAR switch to VAR.
X-Y Recorder M10-94400-1
6-20
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