100 5. Balancing Features and Options GSP9700 Series Road Force Measurement System Operation
5.17 Statistics
Show Statistics
From the “GSP9700 Series Road Force Measurement System” logo screen, “View
Statistics” may be selected from the second menu tier. This allows a tally of the spins
to be categorized by their road force, radial runout, and lateral runout measurements
and viewed or printed for statistical purposes.
NOTE: The statistics screen does not tally balance results.
The first statistics screen, shown above, represents spin counts for first harmonic
results. Columns 3 and 4 show the larger runout amount of the two measured rim lips
for each spin (the smaller values for each spin are not stored). Column 5 shows the
radial average of the two rim lips. The rim average is used for ForceMatching™,
therefore use this column as an indicator of how much matchable rim runout was
measured by the GSP9700 compared to how much tire (and assembly) road force
was measured (columns 1 and 2).
The “Show More Statistics” key can be selected to show second harmonic, third
harmonic, and T.I.R. results for all spins. Column 5, rim average data, will not be
shown in these cases.
If the GSP9700 is equipped with StraightTrak
®
LFM, there will be a page of lateral
force statistics following the T.I.R. results.
“Clear Data” can also be selected (key is only available in Service Mode) to erase the
tabulated statistics data.
If statistics are displayed in metric units, then the displayed ranges will be converted
from inches to millimeters and from pounds to kilograms.
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