Kongsberg Simrad TV80, Reference Manual

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Procedure
1 Verify that one or several hydrophones are connected to the receiver.
2 Open the
Setup
menu.
3 On the
Setup
menu, select
Spectrum
to open the dialog box.
4 Select the hydrophone you want to inspect from the list provided.
5 Set
Max Value
(the maximum starting value) to 160 dB .
6 Observe the graph in the
Spectrum
dialog box.
7 Lower the catch monitoring sensor into the water.
Place the sensor on the same depth as the hydrophone, and make sure that the sensor
is pointed towards the hydrophone.
8 Verify that the graph in the
Spectrum
dialog box reflects this.
9 Increase the value of
Max Value
to reduce the sensitivity and increase the attenuation.
This removes the strong acoustic noise from the presentation.
10 If applicable, repeat the test for each input on the Receiver Unit
11 If applicable, repeat the test for each Receiver Unit
Related topics
Spectrum dialog box, page 239
SR15 Receiver Unit, page 21
Context sensitive on-line help
Installed on your TV80 system you will find a comprehensive context-sensitive online
help system. Everything you can read in this publication can also be found in the online
help.
The context sensitive on-line help is provided using a WebHelp installation using HTML
format.
To open the help system, select
Help
in any dialog box. This will provide instantaneous
information about the relevant dialog box. Links to related procedures and topics are
provided. You navigate in the help file using the menu system on the left side as well as
the interactive links within the document.
Simrad TV80 Reference Manual