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EasyCoder E4 Direct Protocol v2.10 – Programmer’s Reference Manual
14
Chapter 3
Principles of Operation
11. File-Handling Commands
12. Syntax Descriptions
A number of commands are used to control the printer’s memory,
for example:
• Read the names of fi les, fonts, or images stored in the printer’s
memory
• Download binary fi les
• Download .PCX fi les
• Remove fi les
• Remove downloaded images
• Copy fi les
Many commonly used commands have a shorthand version to
minimise the transfer of data. In the explanations of the various
command that follow, both the full name and the shorthand ver-
sion will be shown, separated by a thin vertical line, for example:
PRPOS
|
PP
Upper- and lower-case characters can be used at will in com-
mands. Parameters for commands are shown like this:
<parameter> numeric
value
"<parameter>"
alphanumeric text (enclosed by double quota-
tion
marks)
• Compulsory space characters are indicated by a double-headed
arrow (
↔
).
• Square brackets
[ ]
indicate optional parameters.
• Thin vertical bars (
|
) indicate alternatives.
• Always enter parentheses, commas, colons, semicolons, minus
signs, quotation marks and period characters exactly as shown.
• Negative values are indicated by leading minus signs (-)
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