HP 7470A Interfacing And Programming Manual page 207

UC*The User Defined Character Instruction
VS
XT
YT
Page 5-19
UC (pen control ,) X-increment, Y—increment(, . . .) (, pen control)
(, . . .) ;
Purpose: Draws characters or symbols defined by user.
Parameters: pen control —2 +99 pen down or < -99 pen up.
X-increment, Y-increment in grid units, range, i 98 grid
units.
Omitting parameters causes the pen to move one
character-space field to the right.
The VelocitySelect Instruction
VS pen velocity (;)
Page 3-3
Sets the pen velocity.
decimal, Oto 127.9999.
Purpose:
Parameters:
pen velocity —— 1 through 38.1 interpreted as cm/ s. De­
faults to velocity of 38.1 cm/s, acceleration of 2 g. Any
velocity parameter slows acceleration to 0.5 g.
The X-Tick Instruction Page4-2
XT (;)
Purpose: Draws a vertical tick mark of the length specified by the
TL instruction at the current pen position.
The Y-Tick Instruction Page4-2
YT (;)
Purpose: Draws a horizontal tick mark of the length specified by
the TL instruction at the current pen position.
*Not available with Option O03.
INSTRUCTION SYNTAX B-11