CHAPTER 5 PJL - 6
1.3. PJL Syntax and Format
Syntax
<For Example>
@PJL ENTER LANGUAGE = emulation [<CR>]<LF>
@PJL PJL Prefix
ENTER Command name
LANGUAGE Option name
@PJL ENTER LANGUAGE Enter this portion verbatim
[ ] The words in brackets [ ... ] indicates optional parameters. You should not
type the brackets themselves in the command.
< .. > The words in < .. > indicates a control code character
<LF> Required line feed
< HT > Horizontal tab character (ASCII 9)
< LF > Line feed character ( ASCII 10 )
< CR > Carriage Return ( ASCII 13 )
< SP > Space ( ASCII 32 )
< ESC > Escape ( ASCII 27 )
< FF > Form Feed ( ASCII 12 )
< WS > White space which consists of some < SP >
and < HT >
< words > Printable characters
Format
PJL commands have 4 types of formats as shown below.
Format 1 <ESC>%-12345X
This format is only used for the Universal Exit Language(UEL) command.
Format 2 @PJL[<CR>]<LF>
This format allows a PJL line without a command, and is used to break several PJL command lines visually,
to make it easier to see the PJL command lines.
Format 3 @PJL command [<words>] [<CR>] <LF>
This format is used only for the COMMENT and ECHO commands.
Format 4 @PJL command [command modifier : value]
option=value[<CR>]<LF>
This format is used for all other PJL commands.
PJL Syntax Rules:
PJL Syntax should be written according to the following rules.
"@PJL" must be uppercase. The other words of a PJL command are not case-sensitive.
Spacing between characters consists of one or more of either the space character (ASCII 32) or the
horizontal tab character(ASCII 9).
White space should be placed as follows, depending on the location within the command.
White space must be placed between @PJL and the PJL command name and between the PJL command
and command modifiers.
If a white space is placed in any other place in a command, it is optional.
If a white space is not placed between two portions of a command, the command is not valid.
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