Keysight N1911A Programming Manual page 157

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[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.
[c] N1912A only.
Example
READ2:RAT? DEF,1,(@1),(@2)
Error Messages
– INITiate:CONTinuous must be set to OFF on both channels, otherwise error
– If TRIGger:SOURce is set to BUS or HOLD on either channel, error –214, "Trigger
– If the resolution parameter is not the same as the current resolution setting on
N1911A/1912A P-Series Power Meters Programming Guide
Description/Defaul t
This channel list specifies the channels used to calculate the ratio.
If unspecified and the current window setup is a ratio
measurement then this ratio setup is used, otherwise it defaults to
Channel A/B (N1912A) or A/A (N1911A).
–213, "INIT ignored" occurs.
deadlock" occurs.
the specified window, error –221, "Settings conflict" occurs.
MEASurement Commands
Range of Values
(@1),(@2)
(@2),(@1)
(@1),(@1)
(@2),(@2)
This command queries the lower
window/upper measurement ratio
measurement of Channel A over
Channel B, using the current sensor
range and a resolution of 1 on both
channels.
2
[c]
[c]
[c]
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