3 Spectrum Analyzer Mode
3.9 SEM Measurement
Meas Bar
Turns the Measurement Bar at the top of the screen on and off for all measurements
in the current Mode. When OFF, the graticule area expands to fill the area formerly
occupied by the Measurement Bar.
Remote Command
:DISPlay:ANNotation:MBAR[:STATe] OFF | ON | 0 | 1
:DISPlay:ANNotation:MBAR[:STATe]?
Example
:DISP:ANN:MBAR OFF
Dependencies Grayed out and forced to OFF when System Display Settings, Annotation is OFF
Preset
ON
This remains OFF through a Preset when System Display Settings, Annotation is set to OFF
State Saved Saved in instrument state
Display Enable (Remote Command Only)
Turns the display on/off, including the display drive circuitry. The backlight stays lit
to confirm that the instrument is on. The display enable setting is mode global.
Theare three reasons for turning the display off:
1.
To increase speed as much as possible by freeing the instrument from having to
update the display
2.
To reduce emissions from the display, drive circuitry
3.
For security purposes
If you have turned off the display:
–
and you are in local operation, the display can be turned back on by pressing any
key or by sending :SYSTem:DEFaults MISC or :DISPlay:ENABle ON (neither
*RST nor :SYSTem:PRESet enable the display)
–
and you are in remote operation, the display can be turned back on by pressing
the Local or Esc keys, or by sending :SYSTem:DEFaults MISC or
:DISPlay:ENABle ON (neither *RST nor :SYSTem:PRESet enable the display)
–
and you are using either the :SYSTem:KLOCk command or GPIB local lockout,
then no front-panel key press will turn the display back on. You must turn it back
on remotely.
If the display is OFF, many SCPI commands related to User Views and Multiscreen
functionality do not work, and return the error messages “-221, Settings conflict;
Screen SCPI cannot be used when Display is disabled” or “221, Settings conflict;
View SCPI cannot be used while Display is disabled”. These commands include:
Spectrum Analyzer Mode User's &Programmer's Reference 1607
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