Datalogic QuickScan I QM2131 Product Reference Manual page 154

Enter/Exit Programming Mode
Code 39 Interdigit Ratio (continued)
$CC3IR07
Code 39 Interdigit Ratio = 7
$CC3IR09
Code 39 Interdigit Ratio = 9
144


$CC3IR06 
Code 39 Interdigit Ratio = 6
$CC3IR08

Code 39 Interdigit Ratio = 8
$CC3IR0A 
Code 39 Interdigit Ratio = 10
QuickScan™ I QM21X1 / QBT21X1
Code 39