Data Matrix Twin Code - Newland NLS-NVH300 Series User Manual

Data Matrix Twin Code

Data Matrix twin code is 2 Data Matrix 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 Data Matrix twin codes:

Single Data Matrix Only: Read either Data Matrix code.

Twin Data Matrix Only: Read both Data Matrix codes. Transmission sequence: left (upper) Data Matrix code followed
by right (lower) Data Matrix code.

Both Single & Twin: Read both Data Matrix codes. If successful, transmit as twin Data Matrix only. Otherwise, try
single Data Matrix only.
@DMCDOU0
** Single Data Matrix Only
@DMCDOU2
Both Single & Twin
215
@DMCDOU1
Twin Data Matrix Only