18
SP400RF Programming Guide
I
NTERFACE
RS-232
H
ANDSHAKING
Review your system documentation to identify handshaking requirements,
and use these labels to change the settings if required. The following brief
descriptions explain each selection.
H
ARDWARE
C
ONTROL
CTS/RTS Flow Control
— is hardware handshaking. The
scanner activates the RTS (Ready to Send) line when it is ready to
send data to the host. The scanner waits for an active Clear to
Send (CTS) signal from the host before transmitting data. If
hardware control is disabled, CTS/RTS communication will not
take place. If the host deactivates the CTS line during data trans-
mission, the host will receive additional characters for no more
than 2msec
1
.
CTS Scan Control
— is also a hardware control. When scan
control is enabled, label transmission is disabled until CTS is
asserted and de-asserted.
1
Varies slightly depending upon baud rate selected.
Summary of Contents for SP400rf
Page 1: ...PROGRAMMING GUIDE RADIO FREQUENCY HANDHELD LASER SCANNER...
Page 6: ...NOTES iv SP400RF Programming Guide...
Page 85: ...G ENERAL F EATURES R44 1027 79 SET SET STX SET ETX 0 1 2 3 4 5 6 7 8 9 END S ET STX ETX...
Page 110: ...104 SP400RF Programming Guide A PPENDIX B A DDITIONAL I NFO A PPENDIX C T EST B ARCODES NOTES...
Page 111: ...BLANK PAGE...