5-18 Chapter 5: Programming
Program Parameter Descriptions
WithintheProgramModeare severalParameterPrograms.Eachofthesehasspecific
programmingparameters.
Communications Protocol
24036
Protocol
Your Program
IBM
Slot Scanner
3
IBM
Hand-Held
Bar Code
Reader
4
RS-232
5
IBM USB
D
NCR
(RS-232)
USB
E0 E2
Communications
Protocol
1 0
Protocol
Wedge
TheCommunicationsProtocolprogrammingmodeselectstheprotocolthatthe
RealScan74usestocommunicatewiththehostterminal.
Note: ThefactorysetstheCommunicationsProtocolaccordingtothespecifications
ontheorder.SincethereisnodefaultCommunicationsProtocol;theDefaulttagdoes
notchangethisparameter.
IBM Slot Scanner
AllmodelsoftheRealScan74supporttheIBM468x/9xformatandusethesame
protocolfoundonIBMterminals.Thescannerusesanyportnumberbeginningwith9
or5(asin9Bor5B)andtheselectaddressissetto4B.
IBM USB
TheRealScan74cancommunicatetothehostterminalthroughaUSBcable.This
parameterenablesthescannertouseIBM’sproprietaryversionofHID–type USB
protocol.
NCR (RS232 USB)
TheRealScan74cancommunicatewiththehostterminalthroughaUSBcable.This
parameterenablestheNCR(RS232)format.