Keysight Technologies N9340B, Руководство пользователя

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Key Reference

Marker
98
Marker To
Accesses the following marker function menu keys:
• To Center
Key access:
[MARKER] > {To Center}
Sets the center frequency of the analyzer to the marker
frequency. In Delta mode, pressing
[Marker] > {Marker
To} > {To Center}
sets the center frequency to the marker
delta value. The function is not available in zero span.
• To Ref
Key access:
[MARKER] > {Marker To}
Changes the reference level to the active marker value,
moving the marked point to the reference level (top line
of the graticule). In Delta mode, pressing
[Marker] >
{Marker To} > {To Ref}
sets the reference level to the
amplitude difference between the markers.
Mode
Key access:
[MARKER] > {More} > {Mode}
Accesses the following menu keys that allows you to
change the active marker readout mode.
• Normal
Activates the default readout mode.
• Freq Count
Activates a frequency counter mode.
• Noise
Activates a noise readout mode for evaluating power
density.
NOTE
When the frequency scale is in log mode, the center frequency is
not at the center of the display.