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Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
draws a straight line between the coordinate point of the
current segment and the coordinate point of the next
segment, producing limit-line values for all frequencies
between the two points.
Front-Panel Key Access
[ml
ISPAN)
or SPAN
activates the SPAN function and accesses the frequency-span
functions. Pressing SPAN allows the user to change the
frequency range symmetrically about the center frequency.
The frequency-span readout describes the total displayed
frequency range; to determine frequency span per horizontal
graticule division, divide the frequency span by 10.
Front-Panel Key Access
m
SPAN
ZODM
finds the highest signal peak on-screen. If a marker is not
already on the peak, it places a marker on it, turns on the
marker-track function, and activates the span function.
Pressing SPAN
ZOOM
performs the routine similar to
pressing the following keys: (PEAK
SEARCHJ
(MKRFCTN),
MK TRACK ON OFF (ON),
and(K).
Front-Panel Key Access
ISPAN]
SPEAKER
ON OFF
turns the internal speaker on and off. The volume from
the speaker is controlled by the front- volume control knob
and FM GAIN (when using FM demodulation). There is no
output from the speaker unless demodulation is turned on.
Pressing
(W]
sets SPEARER
OM
OFF to ON.
Front-Panel Key Access
(AUXCTRL)
6-135
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