Chapter
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Native Device Message Details
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4
Native Device Message Details
SEM:CARR/SEM:CARR?
Spectrum Emission Mask Reference Power
Function
This command sets the reference power for Spectrum Emission Mask
measurement.
Command
SEM:CARR ampl
Query
SEM:CARR?
Response
ampl
Returns a value of dBm units, without a suffix code.
Parameter
ampl
Reference power
Range –200 to 200 dBm
Resolution 0.01 dB
Suffix code DBM,DM
dBm is used when omitted.
Details
This command is not available when Reference Mode is set to the
following:
•
Channel
•
Peak
Example of Use
To set the reference power to –10 dBm.
SEM:CARR -10
SEM:CARR?
> -10.00
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