COBHAM SOLO4 Especificações Página 77

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13.5 Frequency Scan Page
The Frequency Scan page automatically sweeps through a set tuning
range and plots the signal power at each frequency. It can also
automatically provide a list of decodable services within that range.
Starting a Scan
The front panel MODE button is used to start a scan whilst on the
Frequency Scan page. The MODE button can then be used to stop a
scan at any time. A scan consists of two stages which are described
belo
w.
During the scan any previous video link will stop working but will be
restored once the scan is completed or stopped.
Setting the Scan Range
The Scan Range and Resolution settings can be changed remotely
using RS232 control commands (see section 0), or by using the
Receiver Control Application (see section 8.3).
All settings default at 0 which means a range will be picked 100MHz
either side of the current frequency at 0.25
MHz resolution.
It’s recommend that you set the scan range (maximum and minimum
values) to the range in which your transmitters usually operate.
Maximum and minimum values will be automatically limited based on
the receiver’s ability with its current settings. Total scan range is limited
to 500MHz.
Resolution should be set based on your usual frequency settings. If your
transmitters are always set to mul
tiples a 1MHz then the resolution
should be set to 1MHz. A smaller resolution will result in a scan taking
longer to complete. Resolution defaults to 0.25MHz if set out of the
range 0.25MHz to 100MHz.
Frequency Scan
--------------
Press MODE to
perform scan
-100 -90 P
0.00--------------
|
|
0.00-
|
|
0.00-
|
|
0.00-
|
|
0.00-
|
|
0.00-
GHz
Minimum and maximum
signal level; this will
change during a scan as
the plot is automatically
scaled.
Frequency scale in GHz
shows the scan range
once a scan has started.
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