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the access point screen, the arrows are used to flip the
current page of access points. The fourth icon represents a
camera. This option takes snapshots of the current screen for
later viewing. The "record" button is for logging a data file.
The "stop" button is for terminating the logging of data. The
"play" button will be implemented in a later version of the
software. The icon with the letters "ABCD" enters the system
options screen. The question mark icon reveals the applica-
tion about box.
Spectrum Analysis
The spectrum analysis feature of the YellowjacketPLUS allows
a user to view any RF signals that is received by the receiver.
It uses frequency for the X-axis and RSSI (received signal
strength indicator) in dBm on the Y-axis.
Both the full spectrum and the single channel screens have
the same options for the most part. There are three available
traces. The red, blue, and yellow traces. Only one trace can
be active at any one time.
Each of the three traces can be made visible by pressing their
respective "visible" buttons. The active trace can be peak
held by pressing it's "hold trace" button.
Use the "marker to peak" button to move the diamond marker
to the current highest dBm valued point. Use the "marker to
center" button to move the diamond marker to the center of
the currently displayed section.
There are also buttons for moving the diamond peak mark to
the left or right in the currently displayed screen.
Each spectrum screen displays information regarding the cen-
ter frequency of the screen as well as the span in MHz. The
current marker position and value is also displayed.
The full spectrum screen is the first one entered when going
into the spectrum analysis option. This screen shows RF
energy in dBm over all 8 channels seen by the receiver. Each
vertical section represents a single channel. Simply look at
the channel number at the bottom of the vertical section to
reference the data to the channel.
To "zoom in" on a single channel, simply tap one of the col-
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