HP 7470A Interfacing And Programming Manual page 206

SP
SR
SS
TL
The Pen Select Instruction Page3-2
SP pen number (;)
Purpose: Selects or stores a pen.
integers. Omitting parameters or a parameter of 0 stores
the pen. Odd-numbered parameter selects pen from left
stall, even-numbered from right.
Parameter:
The Relative Character Size Instruction
SR width, height; '
Page 5-16
Purpose: Sets the character width and height relative to P1 and
P2 for labels.
Parameters: decimals representing a percentage of vertical or hori­
zontal distance between Pl and P2.
Width — percentage of (P2X- Plx).
Height — percentage of (P2y —Ply).
Omitting parameters results in value 0.75 for width and
1.5 for height.
The Select Standard Character Set Page5-4
Instruction
SS (;)
Purpose: Selects the standard character set designated by the CS
instruction as the character set used for subsequent
labeling.
The Tick Length Instruction Page4-2
TL tp(,tn)(;)
Purpose: Establishes the length of ticks drawn with the instruc­
tions XT and YT.
Parameters: decimals.
tp — percentage of (P2y - Ply) for XT or (P2X- Plx) for
YT. Denotes portion above the X-axis or to the right of
the Y—axis when difference is positive.
tn — same as tp except denotes portion below the X—axis
and to the left of the Y—axis.
Omitting parameters causes tick lengths tp and tn 0.5%
of (P2y—Ply) or (P2x—Plx), the same as the default
values.
B-10 INSTRUCTION SYNTAX