User guide

AirMagnet Spectrum XT User Guide
Chapter 6: Analyzing Spectrum Data 73
The text message at the bottom of the Spectrogram Configuration dialog box changes with the
parameter you select. It provides a brief description of the parameter being selected.
Channel Power
The Channel Power graph shows the maximum and average power levels across all channels
in the selected radio band. The X-axis shows all available channels for the selected radio band
and the y-axis shows the rough energy readings. See Figure 6-11.
Figure 6-11: Configuring Channel Power graph
Maximum Allows the used to set or change the maximum power value in dBm in the
Spectrogram graph. By default, the Maximum Power value is -20, but you can
change it to any value less than 0 dBm. The Maximum value appears on the
right end of the color scale. Any value that exceeds the set maximum will
appear in red. Highlight the existing Maximum value and override with a new
value.
Minimum Allows the user to set or change the minimum power value in dBm in the
Spectrogram graph. By default, the Minimum Power value is -100 dBm, but
you can change it to any value as low as -140. The Minimum value Specify the
minimum value of the color scale, which can be equal to or greater than -140
dBm.
Starting Frequency Allows the user to set or change the start point of a frequency range. Highlight
the existing value and override it with a new value.
Stop Frequency Allows the user to set or change the end point of a frequency range. Highlight
the existing value and override it with a new value.
Table 6-4: Configuring Spectrogram Graph Parameters
Parameter Description