Install the supplied electronic security x-key in the button socket on the board within 
the support assembly. 
Taking care not to pinch any cables, re-install the rear cover to the support assembly 
with the previously removed six #8 screws. 
AFTER INSTALLING PROGRAM CARTRIDGE: 
Select “Show Authorization” to view information on the program cartridge and x-key. 
View setup options by selecting “Setup” from the “Balance” primary screen. Change 
setup options to the desired settings. Press “Store Setup” to complete “Setup” 
procedures. 
NOTE:  The GSP9720JLR must be completely re-calibrated after 
program cartridge installation. Refer to “Calibration 
Procedures,” page 119. Calibration tool, 221-672-1, is 
required. 
5.3 Balancer Set Up 
The “Set Up” primary screen contains a list box of set up items and may be selected 
from the second row of softkeys on the “Logo” primary screen. As the set up features 
are individually highlighted by selecting “n” or “p”, the equipment components for 
each set up procedure are shown in yellow on the illustrated GSP9720JLR.
Change set up features by selecting “Set Up Selected Item.” The gray box at the top 
of the item set up menu displays the current setting for each feature. The blue box in 
the middle of the set up screen describes the highlighted choice from the list box 
below. Use the soft keys to select the desired setting for each feature. Select “OK” 
when the desired choice is highlighted. To exit set up procedures and save changes 
that were made, select “Store Set Up” from the menu. The screen will automatically 
return to the “Logo” screen. 
NOTE:  The set up information is not stored until “Store Set Up” is 
pressed on the wheel balancer “Set Up” screen. 
To abandon the set up procedures without saving changes, select the “Cancel” key 
or simply reset the system. 
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 Equipment Information  GSP9720JLR Wheel Balancer Operation Instructions