SECTION 9
"
Extended Commands
9-42
VT220/ANSI Terminal Emulation Programmer’s Reference Guide
Return Codes for Scan Bar Code
Parameters
The Scan Bar Code Parameters return code is the status
sent to the host computer; the code indicates if the extended
command was successful. The wireless station returns data
and the extended command’s status to the host computer in
the following format:
\\X<CR>
where “X” is the return code listed in the following chart.
The wireless station simulates the [Enter] key to return a
value to the host computer. If a hexadecimal number is en-
tered wrong, the return code defaults to “0.”
Code
Description
0
Good status, transaction complete.
1
Bad status, transaction incomplete.
Examples of Scan Bar Code
Parameters
Scan Bar Code Parameters extended command characters
can be started by an APC sequence or by a space.
APC Sequence
When the control character sequence for APC starts data,
all of the data is on Line 1. The control character sequence
is not displayed, which results in a faster transmission rate.
Also, the cursor position is not lost.
Содержание VT220/ANSI
Страница 1: ...VT220 ANSI Terminal Emulation PROGRAMMER S REFERENCE GUIDE P N 977 047 037 Revision C July 1998...
Страница 4: ......
Страница 18: ...CONTENTS xiv VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 26: ...SECTION 1 Introduction 1 8 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 80: ...SECTION 4 RT1700 Radio Terminal 4 22 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 144: ...SECTION 8 Programming 8 8 VT220 ANSI Terminal Emulation Programmer s Reference Guide Table 8 3 C1 Control Characters...
Страница 264: ...APPENDIX A Bar Code Scanning A 4 VT220 ANSI Terminal Emulation Programmer s Reference Guide...
Страница 276: ...INDEX Index 12 VT220 ANSI Terminal Emulation Programmer s Reference Guide...