The Absolute Character Size Instruction, Si - HP 7470A Interfacing And Programming Manual

plot command in the second line. Inserting carriage return and line
feed characters directly into the label string in the third line causes the
same effect as the CP; command in the last line. If the carriage return
and line feed characters are available on your keyboard, you may
prefer that method.
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The Absolute Character Size
Instruction, SI
DESCRIPTIONThe absolute character size instruction, SI, specifies the
size of characters and symbols in centimetres.
USES The instruction can be used to change the character size from
its default value or to another value and establish absolute character
sizing in centimetres so character size is not dependent on the settings
of P1 and P2.
SYNTAX SI width, height terminator
or
SI terminator
EXPLANATIONIf parameters are included, two parameters are re­
quired, width and height. The defined width and height are interpreted
as centimetres, must be in decimal format, and may have any value
between -128 and 127.9999.An SI command with no parameters will
default to the values 0.19 for width and 0.27 for height.
1000 , 1000 2000 , 1000
An SI command remains in effect until another valid SI or SR com­
mand is executed or the plotter is initialized or set to default conditions.
An SI command which sets an error condition is ignored and the
character size does not change.
The following example letters the plotter's model number, 7470A,at the
specified width of 1 cm and height of 1.5 cm.
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