419050/B
319
Defining the value for sound speed (sound velocity)
In order to obtain accurate echoes, it is very important that the sound speed through
the water is set correctly.
Context
The SC90 allows you to enter a manual value for sound
speed.
This setting is made on the
Installation
menuThe
Installation
menu offers functionality related to initial
setup and installation parameters. All relevant settings
in the
Installation
menu are made during the initial
SC90 installation. The installation parameters defined
using this menu must not be modified by unauthorized
personnel.
The
Installation
menu is opened from the
Test
menu.
It is located at the top of the SC90 presentation. The
menu is only available in English.
Procedure
1
Open the
Installation
menu.
a
Select the
Setup
tab to open the menu.
b
Select
Test
on the
Setup
menu to open the
System Test
menu.
c
Select
Installation menu
to open the menu.
d
Observe that the
Installation
menu opens across the top of the SC90
presentation.
2
On the
Installation
menu, select
Environment
and then
Sound Velocity
.
3
Select
Sound Velocity
.
4
Specify the sound velocity value based on the expected environmental conditions.
5
Select
OK
to save the settings and close each parameter dialog box.
6
On the
System Test
menu, select
Installation menu
to close the menu.
Result
Requirements
Results
Sound Velocity:
Date and signature:
Содержание SC90
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