Datalogic QBT2101-BK-BTK+, Product Reference Manual, Page: 258 / 360

Enter/Exit Programming Mode Plessey
248 QuickScan™ I QD21X1 / QM21X1 / QBT21X1
Plessey Length Control
This feature specifies either variable length decoding or fixed length decoding
for the Plessey symbology.
Variable Length.
For variable length decoding, a minimum and maximum length
may be set.
Fixed Length.
For fixed length decoding, two different lengths may be set.
DEFAULT
Plessey Length Control = Variable Length
Plessey = Fixed Length