Scantron OpScan 4ES Operator's Manual page 122

Chapter 6: Using the Background Menu
102
The menu items are listed in the order that they
appear in the background menu. However, not all
menu items apply to each model scanner, or for each
mode. See the description for each menu item to
determine if it applies to the model you have and the
mode that you are in.
Scantron OpScan 4ES and iNSIGHT 4ES Scanners