Table 3-2 Protocol Commands - Microscan MS-615 User Manual

Chapter 3 Serial Configuration
Format: <Kfprotocol,RES,address,REQ,EOT,STX,ETX,ACK,NAK>
Protocol:
6 = User Defined
7 = User Defined Multidrop
Note: Address, can be assigned any ASCII character except a null. Con-
trol characters are used to define RES through NAK (except Address).
Table 3-2 lists the control characters used for these data fields. (Refer to
Table A-5, "ASCII Table with Control Characters," on page A-5 for more
information.)
Example: To select an unpolled ACK/NAK User Defined protocol with LRC
disabled, enter <Kf0><Kf6,,,,,,,^F,^U><Kc0>.
be displayed in the menu.
Protocol Command
(Mnemonic displayed on
Microscan menu)
RES
REQ
EOT
STX
ETX
ACK
NAK
Preamble
Format: <Kdstatus,preamble character(s)>
status:
0 = Disabled
1 = Enabled
Example: To enable Preamble with just one character, an FF (form feed),
enter <Kd1,^L>.
1. <Kf0> nulls the address and <Kc0> disables LRC.
2. A control character, although conventionally represented here and in the ASCII table on page A-5 as two
characters (^F or ^U, etc.), is actually a single ASCII character that is entered on the keyboard by holding
down the control key while pressing the desired letter.
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MS-610 Scanner User's Manual
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Table 3-2 Protocol Commands

Control Characters
(Entered in menu or serial
command)
^D
^E
^D
^B
^C
^F
^U
preamble character(s):
Enter one or two preamble characters except a null
(00H). Default is ^M.
1
ACK and NAK will
Effect of Command
Reset
Request
Reset
Start of Text
End of Text
Acknowledge
Negative Acknowledge