Keysight Technologies N9321C, User Manual

Page: 79 / 220

71
Functions and Measurements
Spectrum Monitor
Press
SPAN > 5 > MHz
3 Turn on the spectrum monitor function.
Press
Meas > Spectrum Monitor
.
4 Set the update interval time between two frames.
Press
Update Int. On
, rotating the knob or pressing numeric key-
pads to set the update interval time.
5 Turn on Marker 1 and Marker 2.
Press
Marker 1 > State On, Marker 2 > State On
.
6 Press
Frequency
, rotate knob to change the frequency of marker
as you want.
7 Press
Meas > File Logging > Start Save
to save the spectrogram
data. After pressing
Stop Save,
the spectrogram will be saved
into a trace or CSV data file for your future use.
Please refer to "Loading a File" on page 100 to load the saved
spectrogram trace file.
Spectrum Monitor Audio Alert
The spectrum monitor provides an audio alert with a frequency
dependent on the different control parameters. This alert needs
two markers to specify the measure channel. The
Band Power
of the
channel specified by two markers is measured without the audio
alert. The
Alert Limit
is set to specify the lowest band power that
makes the buzzer beep.
Please refer to the procedures below to turn on the audio alert.
1 Press
Meas > Spectrum Monitor
to access into the spectrogram
mode.
2 Press
Marker > More > Audio Alert
to enable the audio alert.