2 MEASurement Commands
168 Keysight N8262A Programming Guide
Example
Error Messages
– INITiate:CONTinuous must be set to OFF on both channels, otherwise error
–213, “INIT ignored” occurs.
–If TRIGger:SOURce is set to BUS or HOLD on either channel, error –214, “Trigger
deadlock” occurs.
– If the resolution parameter is not the same as the current resolution setting on
the specified window, error –221, “Settings conflict” occurs.
Item Description/Default Range of Values
expected_value
(for the expected power
level)
The power meter ignores the numeric value entered in this
parameter. Any value entered is treated like DEF.
Sensor dependent
DEF
[a]
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.
READ2:RAT? DEF,1,(@1),(@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.
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