Porsche 911 GT3 Cup MR Gen. II Technical Manual page 109

Lookup Tables - Setting the Rear Axle Tyre Circumferences
► In the "dash_circ_LT_r" tab in the Lookup Tables, the wheel circumference values can be entered
for Slick and Rain tyres on the rear axle.
The values for the rear axle tyre circumferences [in mm] are entered in the input field.
Line 10 Tyre circumference [in mm] for Slick tyres on the rear axle.
Line 20 Tyre circumference [in mm] for Rain tyres on the rear axle.
This value is entered without decimal places. In the comment field of
NOTE
the tab, some values for tyres from various manufacturers are stored
as comments. These values do not claim to be accurate or correct!
Contact the tyre manufacturer for sizes or obtain by measuring using a
NOTE
suitable method.
Accuracy of the rear axle tyre circumferences measured and entered
WARNING
into the system is crtical! These values are utilised by both the ABS
and optional Traction Control systems for calculating intervention
control required!
If the preset values are changed, the setup with the new values must
NOTE
be transferred to the ICD using the "Send Setup" button. All data still
stored on the ICD will be lost when the changed setup is transferred!
Carry out a data backup beforehand!
Version V2, 08/2020 Porsche 911 GT3 Cup MR Gen.II
ELECTRICS | Intelligent Color Display (ICD)
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