Encode Keyboard FNC Keys in a Barcode
The
IDAutomation SC5-USB Barcode Scanner has the capability of scanning
keyboard function keys (such as F2, F4, F10, etc.) from a properly encoded
barcode, providing that function key emulation option is enabled within
the scanner.
Solution(s):
The built in decoder for the
IDAutomation SC5USB Barcode Scanner can emulate function keys as
well as other keys such as PgUp, PgDn, Backspace, Tab, Enter, Esc, Insert,
Delete, Home and End. Enable the "Function Key Emulation Mode"
by scanning the appropriate barcode in the scanner manual. When enabled,
lower
ASCII codes in a Code 128 barcode will simulate pressing a function
key on the keyboard. For example, an ASCII 23 digit (0x17 in the manual)
encoded in a barcode will send the same codes to the computer as if
the F7 function key was pressed. Because the scanner manual only lists
hexadecimal numbers, refer to the
ASCII chart
for conversions.
IDAutomation suggests using Set A of Code 128 to easily encode lower
ASCII characters. For example, the following encoded in Code 128 Set
A simulates pressing the F7 key after the data "123456" is entered:
123456w
This barcode may be printed for testing purposes from the following
URL:
http://www.bcgen.com/demo/linear-dbgs.aspx?S=13&CS=1&D=123456m
| Functions | ASCII | Extended Code 39 Equivalent * |
Code 128 Set A Equivalent | Hex Value | Description |
| F1 | 17 | $Q | q | 11 | DC1 |
| F2 | 18 | $R | r | 12 | DC2 |
| F3 | 19 | $S |
Last updated：2014-08-20
mikebai This person is a lazy dog and has left nothing |