3 Short-Range Comms & IoT Mode
3.2 Modulation Analysis Measurement
Not all measurements support Range Auto/Man. If Auto is not supported in the
current measurement, this control is grayed-out, displaying Man, and MAN is
returned to a SCPI query, but this does not change the Auto/Man setting for Range.
When you switch to a measurement that supports Auto, it goes back to Auto if it was
previously in Auto mode.
Remote Command
[:SENSe]:VOLTage:IQ:RANGe:AUTO OFF | ON | 0 | 1
[:SENSe]:VOLTage:IQ:RANGe:AUTO?
Example Put the I Range and Q Range in manual
:VOLT:IQ:RANG:AUTO OFF
:VOLT:IQ:RANG:AUTO?
Dependencies If Auto is not supported, sending the SCPI command generates an error
Couplings When in Auto, both I Range and Q Range are set to the same value, computed as follows:
Maximum absolute value is computed for the Y Scale. The top and bottom of the graph are computed
based on Ref Value, Scale/Div, and Ref Position. Formula: YMax = max(abs(top), abs(bottom))
The I Range and Q Range are then set to YMax
Preset
ON
State Saved Saved in instrument state
Annotation When in Man, the Range annotation is preceded by "#"
This is an alternate form of the command to match the POWer form of the I Range
and Q Range SCPI.
Remote
Command
[:SENSe]:POWer:IQ:RANGe:AUTO OFF | ON | 0 | 1
[:SENSe]:POWer:IQ:RANGe:AUTO?
Example Put the I Range and Q Range in manual
:POW:IQ:RANG:AUTO OFF
:POW:IQ:RANG:AUTO?
Notes :POW:IQ:RANG:AUTO is an alternate form of :VOLT:IQ:RANG:AUTO, to maintain consistency
with I Range and Q Range, which support both the POWer and VOLTage forms of the command
Preset
ON
Range Auto | Man
I Range
The internal gain range for the I channel when the Input Path is I Only or I and I/Q.
Used for both the I and Q channels when the Input Path is I+jQ.
Remote
Command
[:SENSe]:VOLTage:IQ[:I]:RANGe[:UPPer] <voltage>
[:SENSe]:VOLTage:IQ[:I]:RANGe[:UPPer]?
Example Set the I Range to 0.5 V Peak
:VOLT:IQ:RANG 0.5 V
Short Range Comms & IoT Mode User's &Programmer's Reference 219
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