HP 262SA Reference Manual page 325

X or V Coordinate
Low Order V Low Order X
DEC. ASCII DEC. ASCII
High Order X
&
Y
Example: 340Y,70X is found as follows:
340Y
=
42 (upper Y) 116 (Lower Y) 70X 34 (Upper X) 70 (Lower X)
340Y, 70X ~
*
t "F