Labeling With Variables - HP 7470A Interfacing And Programming Manual
Graphics plotter
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Also See for 7470A:
- Operator's manual (41 pages) ,
- Interfacing and programming manual (114 pages) ,
- Service manual (141 pages)
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corner of the first character space and the carriage-return point. After
lettering a character, the pen stops at the lower-leftcorner of the next
character space as shown below. For a further explanation of character
spacing, refer to Spacing Between Characters in this chapter.
—->
WIDE <—
HIGH
/J.
CHARACTER
<___SPACE_'
STARTING
POINT
LINE
When the plotter receives the character, carriage return, while in label
mode, it returns to a defined carriage-return point. The carriage-return
point usually reflects the pen's position when the preceding LB instruc
tion was executed. The carriage-return point is updated to the current
pen position whenever:
0 one of the following instructions is executed: PA, PR, DI, DR, AA,
AR, RO, DF, or IN.
0 you use the front-panel CLEAR and RESET function keys or use the
pen controls to move the pen to a new point.
Labeling with Variables
In some applications, it is desirable to label the plot using variables
rather than literals to define the label string. Many different conven
tions are used in different computer languages and computers to define
variable length and the character field format in which these variables
will be printed. To avoid unexpected placement of the labels defined by
variables, refer to your computer manual for a definition of the conven
tions used to define the output character field.
Quotation marks are used by many computers to define the literal char
acters that are to be sent, but variables are not included within q_uo
tation marks. The comma is used by some computers as a delimiter
5-8 LABELING
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