Chapter : Recalibration
Bottom Head Calibration
166 Scantron OpScan 4ES and iNSIGHT 4ES Scanners
Bottom Head Calibration
NOTE: Single read head scanners have only a top read
head. If your scanner has a single read head, skip this
part of the procedure.
From the menu item shown above, perform a bottom
read head calibration using the Bot Head Calibrate
function. Use the instructions for the Top Head
Calibrate function to guide you through the process.