Chapter
4
Native Device Message Details
4-237
4
Native Device Message Details
SEM:OFFS:LIST:FREQ:STAR/SEM:OFFS:LIST:FREQ:STAR?
Spectrum Emission Mask Offset Start Frequency
Function
This command sets the start frequency of the offset for Spectrum
Emission Mask measurement.
Command
SEM:OFFS:LIST:FREQ:STAR
freq_1[,freq_2[,freq_3[,freq_4[,freq_5[,freq_6[,freq_7[,
freq_8[,freq_9[,freq_10[,freq_11[,freq_12]]]]]]]]]]]
Query
SEM:OFFS:LIST:FREQ:STAR?
Response
freq_1,freq_2,freq_3,freq_4,freq_5,freq_6,freq_7,freq_8,
freq_9,freq_10,freq_11,freq_12
Returns a value of Hz units, without a suffix code.
Parameter
freq_n
Start frequency of Offset-n
Range 0 to 499999700 Hz
Resolution 2 Hz
Suffix code HZ,KHZ,KZ,MHZ,MZ,GHZ,GZ
Hz is used when omitted.
Example of Use
To set the start frequency of the offset to 4 MHz.
SEM:OFFS:LIST:FREQ:STAR
4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4MHZ,4
MHZ
SEM:OFFS:LIST:FREQ:STAR?
>
4000000,4000000,4000000,4000000,4000000,4000000,4000000,
4000000,4000000,4000000,4000000,4000000