PRESCRIBE Command Reference
276
SCPI — Set Characters Per Inch
Format
SCPI number;
Parameter
number:
number of characters per inch
Function
The SCPI command sets the number of characters per inch (even if the UNIT command
designates a non-inch unit).
When a proportionally-spaced font is used and the font mode (FTMD) is 0 to 3 or 8 to
11, SCPI 0 (zero) must be specified to obtain the innate spacing of each character. A non-
zero specification results in unnatural spacing of proportional fonts.
SCPI 0 does not change the width of the space character.
The character spacing can also be controlled by the SCS (set character spacing)
command.
File
!R! RES; SLM 1; STM 2; EXIT;
This line has 10 characters per inch.
!R! SCPI 8; EXIT;
This line has 8 characters per inch.
!R! SFNT ’Helvetica’, 10; SCS .2; EXIT;
This proportional font
is printed with fixed
spacing.
!R! SCS 0; EXIT;
This is correct proportional spacing.
!R! PAGE; EXIT;
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