174 Keysight N9927-90001 User’s Guide
SA (Spectrum Analyzer) Mode
SA Mode Settings
—Press Sweep 3
—Then Trigger Settings
—Then Trig Level
— Enter a value using the numeric keypad, the arrows, or the rotary
knob.
— Then select a multiplier key or press Enter
. Learn more in “Multiplier
Abbreviations” on page 43.
Auto Trigger Time
While waiting for a valid trigger signal, Wait is annotated in the top left corner
of the FieldFox screen.
If a valid trigger signal is not received before the specified Auto Trig Time, a
sweep will occur automatically.
Enter 0 to set Auto Trigger OFF. When Auto Trigger is OFF, the FieldFox does
NOT sweep unless a valid trigger signal is received.
—Press Sweep 3
—Then Trigger Settings
—Then Auto Trigger [current setting]
— Enter an Auto Trig Time using the numeric keypad.
— Then select a multiplier key. See “Multiplier Abbreviations” on page 43.
Trigger Position
Available ONLY in zero span measurements, this setting is an easy way to
automatically set the Trigger Delay by positioning the trigger event (also
known as T-zero) at any graticule along the X-axis. With T-zero in the center of
the screen, you can zoom in and out by increasing or decreasing the sweep
time. Using the Trigger Position and Sweep Time settings is a quick and
efficient way to examine artifacts of a pulse, much easier than trying to set the
Trigger Delay manually.
When Trigger Position is set to OFF, the Trigger Delay softkey is not available.
The amount of Trigger Delay that is being used is displayed on the softkey. The
Trigger Position is annotated on the screen. Learn how in the following section.
—Press Sweep 3
—Then Trigger Settings
—Then Trig Position. If Sweep Time is longer than 0.15 sec, this softkey is
grayed out.
—ON: The position of T-zero is set by the trigger delay.
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