Agilent Technologies EPM-P Series Programming Manual page 207

Measurement Commands
MEASure[1]|2|3|4[:SCALar][:POWer:AC]:RELative? [<expected_value>[,<resolution>[,<source list>]]]
Item
source list
1. The mnemonic
parameter used in the command sub-systems. The parameters must be entered in
the specified order. If parameters are omitted, they will default from the right. The
parameter DEFault is used as a place holder. Specifying
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 a
resolution of 1, 0.1, 0.01 and 0.001 respectively.
Example
MEAS1:REL? -50DBM,2,(@2)
2-60
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Description/Default
The channel which the command
is implemented on.
If unspecified the current window
setup is used. However, on the
E4417A, if the window shows a
ratio or difference measurement,
the upper window defaults to
channel A and the lower window to
channel B.
DEF means DEFault. This is not equivalent to the DEFault
This command queries the upper
window's relative measurement of
channel B, using an expected
power level of -50 dBm and a
resolution setting of 2.
EPM-P Series Power Meters Programming Guide
Range of Values
(@1)
(@2) (E4417A only)
DEF leaves the parameter