5.6.2【MarkerFctn >】right softkey
Key access:
[Marker] bottom softkey → [MarkerFctn >] right softkey
Accesses the marker function setting menu.
5.6.2.1 [Function Off]
Turn off marker measurement function.
5.6.2.2 [NdB On Off]
Enables the N dB bandwidth measurement or sets the value of N.
The N dB bandwidth denotes the frequency difference between
points that are located on both sides of the current marker while
the amplitude falls off (N<0) or rises (N>0) N dB separately,
Key points:
⚫ When the measurement starts, the analyzer will search the
two points which are located at both sides of the current point
and are N dB amplitudes smaller or greater than the current
point, and display the frequency difference between the two
points.
⚫ You can use the numeric keys, knob or direction keys to
modify the value of N, 3 dB at default.
5.6.2.3 [Marker Noise On Off]
Turn on or off the marker noise function. The function of marker
noise is applied to the selected marker, and reads the noise Power
Spectral Density at the marked point. When turned on, the average
noise level at the marked point is normalized to 1 Hz bandwidth for
noise power.
5.6.2.4 [Freq Count >]
Activate the frequency counter function and display the count
results in the upper right corner of the screen. The counter counts
only the signals that are displayed on the screen.
1) [Freq Count On Off]
Turn on or off the frequency counter function. This function is
invalid when the tracking generator is activated. The count value is
displayed in the upper right corner of the screen.
2) [BW]
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