UNI-T MSO/UPO2000 Series Programming Manual page 29

Programming Manual
:FUNCtion:FILTer:TYPE {LP|HP|BP|BS}
:FUNCtion:FILTer:TYPE?
Functional description：

This command is used to set the filter type. LP, HP, BP, BS respectively represents low-pass filter, high-
pass filter, band-pass filter and band-limit filter separately.
Return format：

Query returns LP, HP, BP, BS.
For example：

:FUNCtion:SOUR1 CHAN1
:FUNC:FILT:TYPE BP
:FUNC:FILT:TYPE?
:FUNCtion:FILTer:FREQuency:HIGH
Command format：

:FUNCtion:FILTer:FREQuency:HIGH < freq>
:FUNCtion:FILTer:FREQuency:HIGH?
Functional description：

This command is used to set the upper limit cut-off frequency value of filter. It is suitable for
high-pass filter, band-pass filter and band-limit filter.
Return format：

Query returns 1.000e003, unit is Hz.
For example：

:FUNCtion:SOUR1 CHAN1
:FUNC:FILT:FREQ:HIGH 1 kHz
Set the upper limit cut-off frequnecy value to 1 kHz.
:FUNC:FILT:FREQ:HIGH?
:FUNCtion:FILTer:FREQuency:LOW
Command format：

:FUNCtion:FILTer:FREQuency:LOW <freq>
:FUNCtion:FILTer:FREQuency:LOW?
Functional description：

This command is used to set the low limit cut-off frequency value of filter. It is suitable for high-pass filter,
band-pass filter and band-limit filter.
Return format：

Query returns 6.000e001, unit is Hz.
For example：

:FUNC:SOUR1 CHAN1
:FUNC:FILT:FREQ:LOW 60Hz
Set the low limit cut-off frequnecy value to 60 Hz.
:FUNC:FILT:FREQ:LOW?
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Set channel 1 as the source.
Set the filter type to band-pass filter.
Query returns BP.
Set channel 1 as the source.
Query returns 1.000e003.
Set channel 1 as the source.
Query returns 6.000e001.
MSO/UPO2000 Series
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