Technical data

MEASurement Commands 2
N1911A/1912A P-Series Power Meters Programming Guide 103
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 teh 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 a resolution of 1, 0.1, 0.01
and 0.001 respectively.
3
N1912A only.
Example
source list This channel list specifies between
which channels the difference is
calculated.
If unspecified and the current window
setup is a difference measurement then
this difference setup is used, otherwise it
defaults to Channel A-B (N1912A) or A-A
(N1911A).
(@1),(@2)
3
(@2),(@1)
3
(@1),(@1)
(@2),(@2)
3
Item Description/Default Range of Values
CONF2:DIFF DEF,1,(@2),(@1) This command configures the lower
window/upper measurement to make a
difference measurement of
Channel B - Channel A, using the current
sensor range and a resolution of 1 on both
channels.