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Spectrum Analyzer Mode Key Descriptions
Spectrum Analyzer Mode Functions
DETECTOR
PK SP NG
selects between positive peak, sample, and negative
peak detection. When sample detection is selected, SMPL
appears in the upper-left corner of the screen. In sample
mode, the instantaneous signal value at the present
display point is placed in memory. Sample detection is
activated automatically for noise level markers, during video
averaging, and for FFT measurements.
When positive peak detection is selected, PEAK appears in
the upper-left corner of the screen. Positive peak detection
obtains the maximum video signal between the last display
point and the present display point and stores this value
in the trace memory address. Positive peak detection is
selected at power on and by pressing
CPRESET).
Negative peak detection functions the same as positive peak
detection but selects the minimum video signal. The PEAK
message does not appear in the upper-left corner of the
screen.
Front-Panel Key Access
(TRACE)
accesses softkeys that include the HOLD key and limit line
menus, and activate the display line, threshold and analog+
display mode. They allow title and prefix entry, and control
the display of the graticule and screen annotation.
DISPLAY
CAL DATA
displays the current correction-factor data generated by the
frequency and amplitude self-calibration routines. This is a
service diagnostic function and is for service use only.
Front-Panel Key Access
ICAL)
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