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6 - 26 THE CPL PROTOCOL
QUERY MEASUREMENT QM
Purpose:
To obtain measurement data from an oscilloscope.
If the
V
(Value) parameter is specified, one measured value will be returned.
If the
L
(Logging) parameter is specified, an infinite number of measured values
will be returned. Cancelling is possible by sending the ASCII character ESC
.
If no
V
or
L
parameter is specified, one measured value is returned, preceded by
its type, and concluded by its suffix.
Note: If averaging is on, the values will be averaged over the number of
average counts.
Command:
"V" only the numerical value of the measurement result is returned
"L" the numerical values of an infinite number of measurement
results is returned; cancelling is possible by sending ASCII
character ESC
(= 27 decimal)
n decimal number, specifying the type of measurement to perform
(see table on next page)
"QM" n "V" CR
"L"