User`s manual

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Use Fixed Control Limits?
Use these fields to indicate whether or not you want fiied
control limits to appear in the chart A and/or chart B
display. Separate “Use fixed control limits?” fields are
provided for the X and X bar charts, the R and s charts, and
the p charts.
If you select “Yes” for chart A or chart B, you must enter
the upper and lower control limit values for that chart in the
following fields.
Fixed Control Limits Values
If you selected “Yes” in the “Use fixed control limits?”
field, use these fields to specify the upper and lower limits
that you want displayed. Separate upper and lower control
limit fields are provided for the X and X bar charts, the R
and s charts, and the p charts.
Use Fixed Center Line?
Use these fields to indicate whether or not you want a fmed
center line to appear in the chart A and/or chart B display.
Separate “Use fixed control liits?” fields are provided for
the X and X bar charts, the R and s charts, and the p charts.
If you select “Yes” for chart A or chart B, you must enter a
fixed center line value for that chart in the following field.
Fixed Center Line Value
If you selected “Yes” in the “Use fixed center line?” field,
use this field to specify the fixed center line that you want
displayed. Separate upper and lower center line fields are
provided for the X and X bar charts, the R and s charts, and
the p charts.
Number of Sigma Units for Control Limits
Note: These fields apply only to X “individuals” charts.
Use these fields to indicate whether or not you want to
change the number of sigma units used to calculate the
control limits. The default value is 3. Numbers 1 to 5 are
valid.