MEASurement Commands 2
N1911A/1912A P-Series Power Meters Programming Guide 151
1
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.
2
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.
Example
source list The channel which the command is
implemented on.
If unspecified the current window setup is used.
However, on the N1912A, if the window shows
a ratio or difference measurement, the upper
window defaults to Channel A and the lower
window to Channel B.
(@1)
(@2) (N1912A only)
Item Description/Default Range of Values
MEAS1:REL? -50DBM,2,(@2) This command queries the upper
window/upper measurement relative
measurement of Channel B, using an
expected power level of –50 dBm and a
resolution setting of 2.
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