NDC comm CompuFax - Manual (Page 129)

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null string
An absence of text where text may be expected or required, usually indicated by a pair of quotation marks
("").
overlay
In image that is placed over another image, such that the two images merge into one. The CompuFax overlay
feature permits faxing of invoices and other documents on the proper forms.
PCL
An acronym for Printer Control Language, a printing language similar to PostScript, used on Hewlett Packard
LaserJet printers.
pending
A state in CompuFax, during which a fax document is waiting to be processed.
percent sign (%)
The first character of any CompuFax message, which identifies it as coming from CompuFax and not some
other source.
point
A printing term, denoting the height of a font, where 72 points equals a height of 1 inch.
portrait orientation
An image on a page, whose height is greater than its width, as in the majority of books. This in contrast with
landscape orientation, where the width of the image is greater than its height.
PostScript
A page description language developed by Adobe Systems, Inc., for use with computerized printers.
CompuFax has a built-in PostScript converter, which allows PostScript files to be sent as faxes.
primary key
When multiple keys are used to identify or locate records the primary key is the one that is used most often or
would be used in most instances.
print symbiont
In CompuFax, this is the facility to address CompuFax as you would address a printer and which uses the
same VMS mechanism as the print queue. You use this feature by issuing a PRINT / QUEUE= SYS$FAX
command.
printer format
See ASCII file.
qualifier
A word used to qualify or give additional information about a command. In standard VMS compatible
command syntax, a qualifier is prefixed by a slash. For example, / NUMBER.
queue
The list (or line-up) of faxes waiting to be transmitted.
queue entry
The record of a fax document in the CompuFax queue, for the purpose of processing at the appropriate time.
See also queue.