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Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
DEHOD
AM FM
allows selection of amplitude (AM) or frequency (FM)
demodulation.
Activating AM detection turns off FM demodulation (if it
is on). When the frequency span is greater than 0 Hz, a
30
kHz
resolution bandwidth is used during demodulation,
regardless of the screen annotation. When the span is equal
to 0 Hz, the displayed bandwidth is used.
Turning FM demodulation on turns off AM demodulation (if
it is on). When the frequency span is greater than 0 Hz,
a 100
kHz
bandwidth is used during the demodulation,
regardless of the screen annotation. When the span is equal
to 0 Hz, the displayed bandwidth is used.
Front-Panel Key Access
(j-1
DEMOD
ON OFF
turns the AM or FM demodulation on and off. If the analyzer
is in a nonzero span, a marker is placed at center screen if
an on-screen marker is not already present. The marker
pause is changed to equal the current dwell time value.
Demodulation takes place on any signal that is indicated
by the marker position during the marker pause. There
is no change to the display during marker pause, but the
demodulation signal is present on the AUX VIDEO OUT. Also
see the SPEAKER ON OFF softkey description.
Pressing DEMOD ON OFF selects the sample peak
detector for AM demodulation, the FMV detector for FM
demodulation. If the analyzer is in zero span, demodulation
is done continuously, with or without an on-screen marker.
Front-Panel Key Access
(j-1
DESKJET
310/55oc
selects the HP DeskJet 310 or
550C
for color printing.
Use this function if you have one of these color printers.
This softkey can be accessed by pressing
C-1,
then
Set
Colr
Printer.
Front-Panel Key Access
[CONFIG)
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