Simrad 396791, Руководство по установке

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7 Inspect the quality of reception identifying the cleanest frequencies.
a Select the hydrophone icon on the corresponding “block diagram” to open the
SR
Hydrophone Setup
dialog box.
b Select the
Spectrum
icon, under the Hydrophone icon to access the
Spectrum
dialog box.
The graph in the
Spectrum
dialog box provides you with information about the
background noise and the signal strength in the selected frequency band. With
the channel identifiers you can easily see in which channels you have signals
and noise.
Installation Manual