MEASurement Commands 2
Keysight N8262A Programming Guide 157
Example
Error Messages
– If the last measurement on either channel is not valid error –230, “Data corrupt
or stale” occurs. A measurement is valid after it has been initiated. It becomes
invalid when either a reset occurs or any measurement parameter, for example
frequency, is changed.
– If the expected_value and resolution parameters are not the same as the
current expected value and resolution settings on the specified window, error
–221, “Settings conflict” occurs.
resolution A numeric value for the resolution. If it is unspecified the
current resolution setting is used. If a value is entered it should
correspond to the current resolution setting otherwise an error
occurs.
1 to 4
[b]
1.0, 0.1, 0.01, 0.001
DEF
[a]
source list This channel list specifies the channels used to calculate the
difference.
If unspecified and the current window setup is a difference
measurement then this difference setup is used, otherwise it
defaults to Channel A-B.
(@1),(@2)
(@2),(@1)
(@1),(@1)
(@2),(@2)
[a] The mnemonic DEF means DEFault. This is not equivalent to the DEFault parameter used in the command sub-systems. The parameters must
be entered in the specified order. If parameters are omitted, they default from the right. The parameter DEFault is used as a place holder.
Specifying DEF leaves the parameter value unchanged.
[b] When the measurement result is linear this parameter represents the number of significant digits. When the measurement result is
logarithmic 1 to 4 represents of 1, 0.1, 0.01 and 0.001 respectively.
FETC:RAT:REL? This command queries the relative ratio
measurement on the upper window/upper
measurement.
Item Description/Default Range of Values
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