
9 - 6 Symbol LS4208 Product Reference Guide
Polarity
Scan a bar code below to select the polarity required b y the decoder. Polarity determ ines how the scanner's Wand
Emulation interface creates the Digitized Barcode Pattern (DBP). DBP is a digital signal that represents the
scanned bar code. Different decoders expect the DBP to be in a certain format. The DBP either has the "highs"
represent bars and the "lows" represent spaces (margins), or the "highs" re present spaces (margins) and the
"lows" represen t ba rs.
Ignore Unknown Characters
Unknown characters are characters th e host does not recognize. When Send Bar Codes With Unknown
Characters is selected , all bar code data is sent except for unknown char acte rs, and no erro r be eps sound on the
scanner. When Do Not Send Bar Codes With Unknown Characters is selected, bar codes containing at least
one unknown character are not se nt to the host, and the scanner emits an error beep.
*Bar High/Margin Low
Bar Low/Margin High
*Send Bar Codes With Unknown Characters
Do Not Send Bar Codes With Unknown Characters