To enter actual weight costs and labor costs for cost savings calculation, select “Set 
Assumptions” (service mode) softkey for the “Smart Weight” screen. 
NOTE:  “Installation Date” must be entered for Investment Return 
calculations to function.
Enter requested information with control knob: rotate to change value 
and press to advance to next field. 
NOTE:  “Set Assumptions” key available in “Service Mode” only.
Select “Enter Install Date” softkey to enter a date for the savings screen 
to properly show time to savings values. 
Select “Exit” softkey when done. 
To view the payback of balancer from savings due to SmartWeight, select 
“Investment Return” softkey from the “Smart Weight” screen. 
Rolling the selector knob will change from months to years of payback.  
Pressing the selector knob and then rolling it will change from 
percentage payback to total monetary value. 
Select “Print Screen” to print the weight savings displayed.  
Select “Exit” softkey when done. 
GSP9720JLR Wheel Balancer Operation Instructions  Introduction to Balancing 
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