Newland NLS-HR20-BT User Manual page 175

Enter Setup
PDF417 Twin Code
PDF417 twin code is 2 PDF417 barcodes paralleled vertically or horizontally. They must both be either regular or inverse
barcodes. They must have similar specifications and be placed closely together.
There are 3 options for reading PDF417 twin codes:
 Single PDF417 Only: Read either PDF417 code.
 Twin PDF417 Only: Read both PDF417codes.
 Both Single &Twin: Read both PDF417 codes. If successful, transmit as twin PDF417 only. Otherwise, try single PDF417 only.
** Single PDF417 Only
Both Single & Twin
** Exit Setup
Twin PDF417 Only
162