HP 54501A Programming Reference Manual page 225

ESTArt
Query
Syntax:
:MEASure:ESTAn?
Returned Format:
[:MEASure:ESTArt]
<edge> <NL>
Where:
<edge>
::
=
edge
number (integer
-
NR1 format)
Example:
OUTPUT 707;";MEAS: ESTART?"
ENTER
707; Estart
PRINT Estart
HP 54501A
Programming
Measure Subsystem
14-21