NCR RealScan 7837-3000 - Wand Emulation Data Block Size; Wand Emulation Delay between Blocks; Wand Emulation Overall Checksum

Chapter 2: Terminal Interfaces 2-17
Wand Emulation Data Block Size
Thistransmitsthedatainsmallerblockstopreventbufferoverflow.
Default=40.
Wand Emulation Delay Between Blocks
Thissetsthedelaytimebetweendatablocks.Default=50ms.
 
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Wand Emulation Overall Checksum
Whenthisoptionisturnedon,acomputedcheckcharacterisaddedat
theendoftheentiremessage.Thecheckcharacteristhecharacter
whichwhenExclusive‐OR’dwitheveryprecedingcharacterofthe
messageyieldsaresultof0x00(00H).Default=Off.
* W verall
Checksum Off

and Emulation O