NCR RealScan 7875-7000/8000 Installation Guide 
AIP-00342    Release B  06/03 
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Access the Calibration Switch 
The Calibration Switch is located below the Top Plate. Remove the Top Plate. 
The RealScan 7875-80xx does not have a plastic Calibration Switch Cover. Do not remove the 
Produce Guard if one is present. 
Remove the screw that secures the Calibration Switch Security Cover. Also remove the seal if 
one is present. Rotate the Calibration Switch Cover to gain access to the Calibration Switch. 
Screw
Wire Seal
Calibration Switch
Security Cover
20587
Calibration Switch