HEIDENHAIN ND 2100G - Manual (Page 95)

ND 2100G GAGE-CHEK 95
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p Warning limits
The Warning Per field is used to specify the upper and lower warning
limits on the x and r SPC charts as a percentage of upper and lower
control limits.
For example:
To specify warning limits:
U Highlight the Warning Per. field
U Use the numeric keypad to enter the desired warning limits
U Press the ENTER key
Warnings and over limits are indicated on x and r SPC charts by color
changes to yellow for warnings, and red for over limits. These colors
can be changed in the Display setup screen.
Showing and hiding SPC graphs
The SPC graph for each dimension can be shown or hidden. Hiding
SPC graphs for dimensions reduces system resource consumption
and increases throughput speed.
To show SPC graphs:
U Highlight the Show Graph field
U Press the YES soft key
U Press the ENTER key
To hide SPC graphs:
U Highlight the Show Graph field
U Press the NO soft key
U Press the ENTER key
When the Warning Per = 66
and: then:
x Ucl = 2.0000 x upper warning = 1.3200
x Lcl = -2.0000 x lower warning = -1.3200
r Ucl = 1.0000 r upper warning = 0.6600
r Lcl = 0.0000 r lower warning = 0.0000