Trig - HP ESA-L1500A User's And Calibration Manual

Trig

The
sweep mode and trigger mode of the spectrum analyzer.
activates the trigger condition that allows the next sweep to start as
Free Run
soon as possible after the last sweep. Key Access:
activates the trigger condition that allows the next sweep to start if the
Video
detected RF envelope voltage rises to a level set by the display line.
When
spectrum analyzer triggers when the input signal exceeds the display
line level at the left edge of the display. Key Access:
activates the trigger condition that allows the next sweep to be
Line
synchronized with the next cycle of the line voltage. Key Access:
activates the trigger condition that allows the next sweep to start when
External
positive- going external voltage (connected to
panel) passes through approximately 1.5 volts. The external trigger
signal must be a 0 V to +5 V TTL signal. Key Access:
Chapter 4
key accesses the menu of keys that allow you to select the
Trig
is pressed, the display line appears on the display. The
Video
Front-Panel Key Reference
Trig
Trig
Trig
on the rear
Ext Trig In
Trig
Trig
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