3.3 Spectrum Analyzer

Abort Subsystem

The abort subsystem includes commands that allow the user to stop current measurement activities on the instrument.

Abort

:ABORt

Restarts the current sweep and/or measurement. Resets the trigger system.

If :INITiate:CONTinuous is OFF (i.e. the instrument is in single sweep mode), send the command :INITiate[:IMMediate] to trigger the next sweep.

If :INITiate:CONTinuous is ON (i.e. the instrument is in continuous sweep mode) a new sweep will start immediately.

Front Panel Access:	Shift-3 (Sweep), Reset Sweep
See Also:	:INITiate:CONTinuous :INITiate[:IMMediate]

 

CALCulate Subsystem

The commands in this subsystem process data that has been collected via the SENSe subsystem.

:CALCulate:LIMit Subsystem

This subsystem defines the limit lines and controls the limit check.

Limit Alarm

:CALCulate:LIMit:ALARm OFF|ON|0|1

:CALCulate:LIMit:ALARm?

Enables/disables the currently active limit line alarm.

Setting the value to ON or 1 will turn on the limit alarm.

Setting the value to OFF or 0 will turn off the limit alarm.

The query version of the command returns a 1 if the currently selected limit line alarm is set to ON and returns 0 if OFF.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), Limit Alarm
See Also:	:CALCulate:LIMit:TYPe

 

Lower Limit Alarm

:CALCulate:LIMit:LOWer:ALARm OFF|ON|0|1

:CALCulate:LIMit:LOWer:ALARm?

Enables/disables the lower limit alarm.

It is a combination of the commands :CALCulate:LIMit:TYPe 1; :CALCulate:LIMit:ALARm ON|OFF.

Setting the value to ON or 1 will turn on the lower limit alarm.

Setting the value to OFF or 0 will turn off the lower limit alarm.

The query version of the command returns a 1 if the lower limit line alarm is ON and returns 0 if OFF.

Note that using this command set the lower limit line active for editing.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), Limit Alarm
See Also:	:CALCulate:LIMit:ALARm

 

Number of Lower Limit Points

:CALCulate:LIMit:LOWer:POINt?

Returns the number of points currently in the lower limit line.

Note that issuing this command will set the lower limit line active for editing (:CALCulate:LIMit:TYPe 1).

Lower Limit State

:CALCulate:LIMit:LOWer[:STATe] OFF|ON|0|1

:CALCulate:LIMit:LOWer[:STATe]?

Turns the lower limit line ON or OFF.

It is a combination of the commands :CALCulate:LIMit:TYPe 1; :CALCulate:LIMit:STATe ON|OFF.

The query version of the command returns a 1 if the lower limit line is ON and returns a 0 if OFF.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), On/Off
See Also:	:CALCulate:LIMit[:STATe]

 

Number of Limit Points

:CALCulate:LIMit:POINt?

Returns the number of points currently in the active limit line.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

See Also:

:CALCulate:LIMit:TYPe

 

Add Limit Point

:CALCulate:LIMit:POINt:ADD

Adds a new limit point to the currently active limit line.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Front Panel Access:	Shift-6 (Limit), Limit Edit, Add Point
See Also:	:CALCulate:LIMit:TYPe

 

Limit Point X Value

:CALCulate:LIMit:POINt:X <x-parameter>

:CALCulate:LIMit:POINt:X?

Sets the location of the active limit point on the x-axis at the specified location. <x-parameter> is defined in the current x-axis.

The query version of the command returns the location of the active limit point on the x-axis.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Front Panel Access:	Shift-6 (Limit), Limit Edit, Frequency
Default Unit:	Current x-axis unit.
See Also:	:CALCulate:LIMit:TYPe

 

Limit Point Y Value

:CALCulate:LIMit:POINt:Y <y-parameter>

:CALCulate:LIMit:POINt:Y?

Sets the location of the active limit point on the y-axis at the specified location. <y-parameter> is defined in the current y-axis.

The query version of the command returns the location of the active limit point on the y-axis.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Front Panel Access:	Shift-6 (Limit), Limit Edit, Amplitude
Default Unit:	Current y-axis unit.
See Also:	:CALCulate:LIMit:TYPe

 

Limit State

:CALCulate:LIMit[:STATe] OFF|ON|0|1

:CALCulate:LIMit[:STATe]?

Turns the currently selected limit line (upper or lower) ON or OFF.

If the value is set to ON or 1, the currently selected limit line is ON.

If the value is set to OFF or 0, the currently selected limit line is OFF.

The query version of the command returns a 1 if the currently selected limit line is ON and returns a 0 if OFF.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), On/Off
See Also:	:CALCulate:LIMit:TYPe

 

Limit Type

:CALCulate:LIMit:TYPe 0|1

:CALCulate:LIMit:TYPe?

Sets the limit line segment type (upper or lower) to be edited.

Set the value to 1 for Lower limit segment and 0 for Upper limit line segment.

The query version of the command returns a 1 if the lower limit line is currently active for editing and returns 0 if the upper limit line is currently active for editing.

Front Panel Access:

Shift-6(Limit), Limit

 

Upper Limit Alarm

:CALCulate:LIMit:UPPer:ALARm OFF|ON|0|1

:CALCulate:LIMit:UPPer:ALARm?

Enables/disables the alarm for the upper limit.

It is a combination of the commands :CALCulate:LIMit:TYPe 0; :CALCulate:LIMit:ALARm ON|OFF.

Setting the value to ON or 1 will turn on the upper limit alarm.

Setting the value to OFF or 0 will turn off the upper limit alarm.

The query version of the command returns a 1 if the upper limit line alarm is ON and returns 0 if OFF.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), Limit Alarm
See Also:	:CALCulate:LIMit:ALARm

 

Number of Upper Limit Points

:CALCulate:LIMit:UPPer:POINt?

Returns the number of points currently in the upper limit line.

Note that issuing this command will set the upper limit line active for editing (:CALCulate:LIMit:TYPe 0).

 

Upper Limit State

:CALCulate:LIMit:UPPer[:STATe] OFF|ON|0|1

:CALCulate:LIMit:UPPer[:STATe]?

Turns the upper limit line ON or OFF.

It is a combination of the commands :CALCulate:LIMit:TYPe 0; :CALCulate:LIMit:STATe ON|OFF.

The query version of the command returns a 1 if the upper limit line is ON and returns a 0 if OFF.

Factory Preset / *RST:	OFF
Front Panel Access:	Shift-6 (Limit), On/Off
See Also:	:CALCulate:LIMit[:STATe]

 

Move Limit

:CALCulate:LIMit:VALue <value>

Sets the currently active limit line value. This command moves an entire single or multi-segment limit line up or down by the given <value>.

Use :CALCulate:LIMit:TYPe to set the currently active limit line.

Front Panel Access:	Shift-6 (Limit), Limit Edit, Move Limit
Default Unit:	Current active value unit.
See Also:	:CALCulate:LIMit:TYPe

 

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