Newland NLS-HR20-BT User Manual page 130

Code 39
Restore Factory Defaults
Enable/Disable Code39
** Enable Code39
If the scanner fails to identify Code 39 barcodes, you may first try this solution by scanning the Enter Setup
barcode and then Enable Code 39 barcode.
117
Restore the Factory Defaults of Code 39
Enter Setup
Disable Code 39
** Exit Setup