Agilent Technologies 34901A User Manual page 241

Chapter 5 Remote Interface Reference
Single-Channel Monitoring Overview
ROUTe
:MONitor (
:MONitor?
Select the channel to be monitored. To turn on the monitor function,
use the ROUT:MON:STATE ON command (see below). The :MONitor?
query returns a list of channel numbers in the SCPI definite length block
format. The response begins with the "#" character, followed by a single
character representing the number of succeeding characters to interpret
as a length specifier, followed by a length specifier representing the
number of bytes in the block, followed by a block of that many bytes.
An empty channel list (one with no channels selected) will be "#13(
For example, the ROUT:MON? command will return the following if
channel 103 is the channel currently being monitored:
#16( 103)
@
ROUTe
:MONitor:STATe {OFF|ON}
:MONitor:STATe?
Disable (default) or enable the Monitor function. If you do not specify
the monitor channel using the ROUT:MON command (see above), the
channel displayed on the front panel is used. The :STAT? query reads
the state of the monitor function. Returns "0" ( OFF ) or "1" ( ON ).
ROUTe:MONitor:DATA?
Read the data from the Monitor function. Returns the reading only;
the units, time, channel, and alarm information is not returned
(the FORMat:READing commands do not apply to monitor readings).
Returns a number in the form " +2.61920000E+01 ".
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