Filter
Top Products
I
-
I
-
TV
TRIG
Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
selects the line number of the video picture field. The values
allowed are 1 to 1012.
[PRESET)
sets the TV line number to
17.
Front-Panel Key Access (TRIG)
allows the analyzer to trigger on the standard video formats;
NTSC, PAL, PAL-M, or SECAM-L.
Front-Panel Key Access
ITRIG)
selects the polarity of the modulation of the video format.
NTSC uses the negative or positive modulation video format.
NTSC, PAL, and PAL-M use negative modulation. SECAM-L
uses positive modulation.
Front-Panel Key Access
m
provides sweep triggering on the selected line of a video
picture field and accesses the softkey menu used to select
the line number of the video picture field and the type of
video picture frame.
When TV TRIG is pressed, the trigger mode is changed to
TV trigger, TV LINE
#
becomes the active function, and the
softkey menu for changing the TV line numbers and video
field trigger is accessed.
If the analyzer is in non-zero span, the resolution bandwidth
is changed to 1 MHz, the frequency span is set to 0 Hz,
the detector mode is changed to sample, the sweep time is
changed to 100
,US,
the amplitude scale is changed to linear,
a sweep is taken, and a marker is placed on the signal peak.
Front-Panel Key Access (TRIG)
6-149