HP 1650B Programming Reference Manual page 302

Message Communication and System Functions
A-12
Where c simple command program header > is defined as
Where c compound command program header > is defined as
Where < common command program header > is defined as
mnemonic > is defined as
< u p p e r / l o w e r
Where <upper-Dower case alpha > is defined as a single ASCII encoded
byte in the range 41- 5A, 61- 7A (65 - 90, 97- 122 decimal).
Where c digit > is defined as a single ASCII encoded byte in the range 30 -
39 (48 - 57 decimal).
where ( _ ) represents an "underscore", a single ASCII-encoded byte with the
value SF (95 decimal).
Figure A-8. c command program header > (continued)
1
HP 1650B/HP 16518
Programming Reference