Xenon 1900, Руководство пользователя, Страница: 164 / 356

6 - 10
F1 is the “Send all characters” command
0D is the hex value for a CR
The data is output as: 4567890ABCDEFGHIJ
<CR>
Move the cursor backward a number of characters
F6 Move the cursor back “nn” characters from current cursor position.
Syntax = F6nn where nn is the numeric value (00-99) for the number
of characters the cursor should be moved back.
Move the cursor to the beginning
F7 Move the cursor to the first character in the input message.
Syntax =
F7.
FE and F7 Example: Manipulate bar codes that begin with a 1
Search for bar codes that begin with a 1. If a bar code matches, move
the cursor back to the beginning of the data and send 6 characters fol-
lowed by a carriage return. Using the bar code above:
Command string: FE31F7F2060D
FE is the “Compare characters” command
31 is the hex value for 1
F7 is the “Move the cursor to the beginning” command
F2 is the “Send a number of characters” command
06 is the number of characters to send
0D is the hex value for a CR
The data is output as: 123456
<CR>
Move the cursor to the end
EA Move the cursor to the last character in the input message. Syntax =
EA.
Search Commands
Search forward for a character
F8 Search the input message forward for “xx” character from the current
cursor position, leaving the cursor pointing to the “xx” character.
Syntax = F8xx where xx stands for the search character’s hex value for
its ASCII code.
Refer to the ASCII Conversion Chart (Code Page 1252), beginning on
page A-4 for decimal, hex and character codes.