Chapter
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Native Device Message Details
4-27
4
Native Device Message Details
AT/AT?
RF Attenuator
Function
This command sets the RF attenuator.
Command
AT att
AT action
Query
AT?
Response
att
Parameter
att
Attenuator value
Range 0 to 60 dB
Resolution
[MS269xA]
2 dB
[MS2830A]
,
[MS2840A]
2 dB or 10 dB
Refer to “Table 2.4.2-3 Resolution of Input Attenuator” in the
MS2830A/MS2840A Signal Analyzer Operation Manual
(Spectrum Analyzer Function Operation)
.
Suffix code DB, dB is used even when omitted.
action
RF attenuator setting method
AUTO
Automatically sets based on reference level and
other settings.
UP
Increases 1 step.
DN
Decreases 1 step.
Details
This command is not available when Spurious Emission is set to On and
when Gate View is set to Off.
Example of Use
To set the attenuator to 10 dB.
AT 10
AT 10DB
AT?
> 10
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