Agilent Technologies Signal Analyzer N9030a - Manual (Page 1402)

6 RLC Swept SA Measurement Front-Panel & SCPI Reference
Trigger
Trigger Level
Sets a level for the video signal trigger. When the video signal crosses this level, with the chosen
slope, the trigger occurs. This level is displayed with a horizontal line only if Video is the selected
trigger source.
Key Path Trigger, Video
Remote Command :TRIGger[:SEQuence]:VIDeo:LEVel <ampl>
:TRIGger[:SEQuence]:VIDeo:LEVel?
Example TRIG:VID:LEV –40 dBm
Notes When sweep type = FFT, the video trigger uses the amplitude envelope in a bandwidth wider
than the FFT width as a trigger source. This might often be useful, but does not have the same
relationship between the displayed trace and the trigger level as in swept triggering.
Amplitude Corrections are not taken into account by the Video Trig Level. For example, if you
have given yourself effective gain with an amplitude correction factor, the Video Trigger will not
fire until you have dropped the trigger line that far below the displayed signal level, rather than
simply dropping it down to the displayed signal level.
Note that other corrections, specifically External Gain and Ref Level Offset, modify the actual
trace data as it is taken and therefore ARE taken into account by Trig Level.
Couplings This same level is used for the Video trigger source in the Trigger menu and for the Video
selection in the Gate Source menu.
Preset Set the Video Trigger Level –25 dBm on Preset. When the Video Trigger Level becomes the active
function, if the value is off screen, set it to either the top or bottom of screen, depending on
which direction off screen it was.
State Saved Saved in instrument state
Min –170 dBm
Max +30 dBm
Default Unit Depends on the current selected Y axis unit
Backwards
Compatibility SCPI :TRIGger[:SEQuence]:IF:LEVel
:TRIGger[:SEQuence]:IF:LEVel?
Backwards Compatibility
Notes This alias is provided for backward compatibility with VSA/PSA comms apps.
Initial S/W Revision Prior to A.02.00
1402 Remote Language Compatibility Measurement Application Reference