Fluke ScopeMeter 190 Series, Programming Reference Manual

Page: 118 / 120

Page C.4
<underload> = <sample_value>
This field specifies which value in the trace
samples represents the underload value.
<invalid> = <sample_value>
This field specifies which value in the trace
samples represents an invalid sample.
Invalid samples can be present at locations
in the trace that have not been filled (yet).
This can e.g. occur in random sampling.
<nbr_of_samples>=<unsigned_integer>
Total number of samples, Min/Max sample pairs,
or Min/Average/Max sample triplets that follow.
<samples> = {<sample_value>}
In total <nbr_of_samples> will be transmitted.
<sample_value>= {<binary_character>}
Depending on the number of <binary_character>’s
in <sample_format>, each <sample_vale> is
transmitted in a number of <binary_character>’s.
In case, the <sample_value> contains multiple
<binary_character>’s, the most significant
byte is transmitted first.
<check_sum> = <binary_character>
One binary character which represents the sum
of all the <binary_character>’s sent after
the <block_length> and before the <check_sum>.
Remarks: The instrument will finish any processing on the
queried waveform first before sending the data to the
remote device. This means that the remote device will
not have to do any polling on status bits before the
query is sent. When the waveform that was queried for,
is still under processing, the processing is finished
first. So no "half traces" will be returned. When the
waveform under processing is in roll mode, the query
will give an execution error.
The remote device has the possibility to cancel the
query, when waiting for response takes too long. This
can be achieved by sending an <esc> or hardware break.