48
3.4.2
RS-232 settings
RS-232 settings provide options that can be
used to control data flow.
Flow control (cradle only)
Flow control determines how your computer
and cradle control their communication.
(*) Default
Option
Description
Bar Code
*None
Your computer and cradle
only use TxD and RxD
signals for
communication. No
hardware or software
flow control is used.
RTS/CTS
It is hardware flow
control. If your scanner is
ready to send bar code
data to your computer, it
sends an RTS signal, and
waits to receive a CTS
signal from your
computer. If your scanner
doesn’t receive a CTS,
you’ll hear an error beep
from it.
Xon/Xoff
It is software flow control.
When your computer is
unable to receive data, it
sends an Xoff signal to
Summary of Contents for AI-6821
Page 1: ...AI 6821 AI 6821HD 2D Scanner User Guide ...
Page 14: ...4 1 2 Understand your scanner 1 2 1 Scanner Perspective Bottom ...
Page 15: ...5 1 2 2 Cradle Perspective Bottom ...
Page 18: ...8 Status Scanner Good Scan Vibrate ...
Page 54: ...44 Option Description Bar Code 14 UTF 8 ...
Page 157: ...147 ...
Page 165: ...155 PDF417 EAN 8 PARA UPC E PARA INTERLEAVED 2 of 5 PARA MSI PLESSEY PARA UPC A PARA ...
Page 166: ...156 GS1 Micro PDF ...
Page 170: ...160 Appendix D Data entry bar codes 1 2 3 4 5 6 7 8 9 0 A B C D E F Save Cancel ...