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Simrad SN90 Operator Manual
Note
When you work in the
changes made on a page. You must do this before you continue working on a different
page.
Procedure
1
Open the
Setup
2
On the
menu, select
Setup
pages selected from the menu on the left side.
3
On the left side of the
4
Adjust the settings to fit your requirements.
5
At the bottom of the page, select
6
Continue your work in the
Related topics
Defining settings related to user preferences and individual customizing, page 102
Configuring the environmental parameters
Environmental parameters such as salinity, and sound speed play an important part to
present accurate echo data. Use the
Depending on the current sea and weather conditions, you may need to change these
values frequently.
Context
In order to obtain accurate echoes, it is very important that the sound speed through the
water is set correctly. Several parameters are required to calculate the correct sound
speed value. If these parameters are not known to you, use the default value 1494 m/s.
This is a typical mean value for sound speed.
Procedure
1
Open the
Setup
2
Select
Environment
Observe that the
3
Specify if you work in fresh or salt water.
110
dialog box, you must always select
Installation
menu.
Installation
dialog box, select
Installation
Apply
Installation
Environment
menu.
.
dialog box opens.
Environment
.
Observe that the
Installation
opens. This dialog box contains a number of
.
Units
to save your settings.
dialog box, or select
parameters to define these values.
to save the
Apply
dialog box
to close it.
OK
381295/B
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