CHAPTER 4 HP-GL/2 - 4 
1.  COMMAND LIST 
DF  Default set instruction  12 
IN  Initialize set instruction  13 
IP  Input scaling point  14 
IR  Input relative scaling points  14 
SC Scale  15 
IW Window  17 
RO  Rotate coordinate system  17 
PU Pen up  18 
PD Pen down  18 
PA Plot absolute  19 
PR  Relative coordinate pen move  19 
AA  Draw absolute arc  20 
AR  Draw relative arc  21 
AT  Absolute arc three point  21 
RT  Relative arc three point  22 
PE Polyline encoded  22 
BR Bezier relative  24 
BZ Bezier absolute  24 
PM Polygon mode  25 
EA  Edge rectangle absolute  25 
ER  Edge rectangle relative  26 
EP Edge polygon  26 
EW Edge wedge  26 
RA  Fill rectangle absolute  27 
RR  Fill rectangle relative  28 
WG Fill wedge  28 
FP Fill polygon  29 
AC Anchor corner  30 
FT Fill type  31 
LA Line attribute  32 
LT  Line type selection  33 
PW Pen width  34 
RF  Raster fill definition  34 
SM Symbol mode  35 
SP Select pen  35 
SV Screened vectors  35 
TR Transparency mode  36 
UL  User-defined line type  37 
WU  Select unit for pen width  37 
SD  Define standard font  39 
AD  Define alternate font  42 
SS  Select standard font  42 
SA  Select alternate font  42 
FI  Select primary font  43 
FN  Select secondary font  43 
LB Character plot  43 
DT  Define label terminator  44 
LO Label origin  44