112 Chapter 3 
Mode
Occupied Bandwidth Measurement
Mode
Span: Center  
Sets the frequency span for the center segment of the currently selected limit mask. This key is only 
available when Center has been selected with the Segment key.
1st Segment  
Sets the state of the first segment to On or Off. This key is available only when 
1st has been selected 
with the 
Segments key.
Mode SA
Remote Command :CALCulate:OBWidth:LMASk[1]|2:SEGMent:CENTer:SPAN 
<frequency>
:CALCulate:OBWidth:LMASk[1]|2:SEGMent:CENTer:SPAN?
Example :CALC:OBW:LMAS1:SEGM:CENT:SPAN 1.75 MHz
Notes Key is only displayed when the selected segment is Center.
Preset Not affected by a preset but set per default to 2 MHz after a 
power cycling
State Saved Saved in instrument state.
Min 0 Hz
Max 6 GHz
Key Path
Meas Setup, Limit Masks, Limit Mask 1, Center Segment Span
Default Unit Hz
Mode SA
Remote Command :CALCulate:OBWidth:LMASk[1]|2:SEGMent:FIRSt 
ON|OFF|1|0
:CALCulate:OBWidth:LMASk[1]|2:SEGMent:FIRSt?
Example :CALC:OBW:LMAS1:SEGM:FIRS ON
Notes
Key is only displayed when the selected segment is 1
st
.