Chapter
4
Native Device Message Details
4-227
4
Native Device Message Details
SEM:OFFS:LIST:ATT/SEM:OFFS:LIST:ATT?
Spectrum Emission Mask Offset Attenuator
Function
This command sets the Attenuator value in measuring the offset for
Spectrum Emission Mask measurement.
Command
SEM:OFFS:LIST:ATT
rel_ampl_1[,rel_ampl_2[,rel_ampl_3[,rel_ampl_4[,rel_ampl
_5[,rel_ampl_6[,rel_ampl_7[,rel_ampl_8[,rel_ampl_9[,rel_
ampl_10[,rel_ampl_11[,rel_ampl_12]]]]]]]]]]]
Query
SEM:OFFS:LIST:ATT?
Response
rel_ampl_1,rel_ampl_2,rel_ampl_3,rel_ampl_4,rel_ampl_5,r
el_ampl_6,rel_ampl_7,rel_ampl_8,rel_ampl_9,rel_ampl_10,r
el_ampl_11,rel_ampl_12
Returns a value of dB units, without a suffix code.
Parameter
rel_ampl_n
Attenuator value in measuring Offset-n
measurement
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 when omitted.
AUTO
Sets the attenuator value automatically.
Details
The setting range of this function is limited depending on the settings of
other parameters. Refer to
MS2690A/MS2691A/MS2692A Signal
Analyzer Operation Manual (Spectrum Analyzer Function Operation)
or
MS2830A/MS2840A Signal Analyzer Operation Manual (Spectrum
Analyzer Function Operation)
for details.
Example of Use
To set the attenuator value of the offset.
SEM:OFFS:LIST:ATT
0DB,0DB,0DB,0DB,0DB,0DB,0DB,0DB,0DB,0DB,0DB,0DB
SEM:OFFS:LIST:ATT?
> 0,0,0,0,0,0,0,0,0,0,0,0