Oneil microFlash2, Programming Reference Manual

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Chapter 4: Querying the Printer
56
O’Neil Programming Language Reference Manual
Graphics Query
Graphics Reply Explanation
Graphics Query
Query Format ESC{GR?}
Reply Format {GR! N5 :x, N1 :x, L :D, UV :x, UD :x, US :x}
Function Lists graphics currently downloaded to the printer. The reply
is similar to the fonts query reply but without the font-related
information.
Each graphic present in the printer will return one complete
set of all parameters below. If there are no graphics present,
the response will be {GR!}. Available for original MF2/MF3/2t/
4t and radio ready 2t/3l/4t printers.
Reply Example {GR! N5 :LOGO1, N1 :z(7A), L :D, UV :1, UD :05/29/96,
US :Big Logo}
Reply Example
Explanation
GR! - Reply to a graphics query.
N5 :LOGO1, - The graphic has a five-character name, LOGO1 .
N1 :z(7A), - The graphic has a one-character name of z , or
7AH .
L :D, - This is a downloaded graphic.
UV :1, - The user version is 1.
UD :05/29/96, - The user date is 5/29/96.
US :Big Logo - The user descriptive summary is Big Logo .
CPI : 22.1
Query Reply Definition
N5 xxxxx Five character name = xxxxx
N1 x(nn) One character name - also in HEX
L R,D Location - Resident or download
UV x User version number = x
UD xx/xx/xx User date
US x..x User descriptive summary of font, 20 characters
CPI nn.n Characters per inch. 1/CPI is the approximate width of
the graphic.