Chapter 3 65
Mode
Meas Off (Spectrum Analyzer) Measurement
Mode
1st Segment (Left or Right Limits)  
Sets 
1st Segment to allow definition of the limits Left or Right of the center segment. The Left or 
Right amplitude limits can be changed with the 
Level key. The Left or Right span limits can be 
changed with the limits menu 
Span key. This key is only available when 1st has been selected with 
the 
Segments key.
Level: 1st Segment Left  
Sets the power level, for the 1
st
 segment to the Left of the Center segment. This key is only 
available when 
1st has been selected with the Segments key.
Key Path
Meas Setup, Limit Masks, Limit Mask 1, 1st Segment
Mode SA
Notes
Key is only displayed when the selected segment is 1
st
.
Remote Command 
Notes
The Limit Mask SCPI command syntax uses:
The keyword “LEFT” to define the level and span for the 
segment to the Left of the center segment.
The keyword “RIGHt” to define the level and span for the 
segment to the Right of the center segment.
Preset Not affected by a preset but set per default to Left after a power 
cycling
State Saved Saved in instrument state.
Range Left | Right
Key Path
Meas Setup, Limit Masks, Limit Mask 1, 1st Segment (Left or Right)
Mode SA
Remote Command :CALCulate:LMASk[1]|2:FIRSt:SEGMent:LEFT:LEVel 
<ampl>
:CALCulate:LMASk[1]|2:FIRSt:SEGMent:LEFT:LEVel?
Example :CALC:OBW:LMAS:SEGM:FIRS:LEFT:LEV –14 dBm
Notes
Key is only displayed when the selected segment is 1
st
, and the 
selected segment side is Left.
Dependencies / 
Couplings
Value is displayed on the key in the currently selected Y Axis 
Unit.