Verifying That The Bottom Is Correctly Detected - Simrad EK80 Harbour Acceptance Test

Simrad EK80 Harbour Acceptance Test
Related topics
Testing the EK80 operational functionality, page 27
Secondary procedures, page 47
Verifying that the bottom is correctly
detected
Locating the bottom is important for the EK80. The EK80 needs this bottom lock to
locate the correct depth, and to stay on it during the operation, even if the depth changes
continuously. Occasionally, difficult environmental, water or bottom conditions may
inhibit a bottom lock.
Context
The
Bottom Detection
depth. These limits may be used to obtain a bottom lock on the depth when the EK80 is
transmitting. The
Bottom Backstep
the bottom echo the depth will be detected.
Tip
If you have problems with bottom detection, you may consider disabling it. This can be
useful if you only wish to study targets in the water column.
Procedure
1 Open the
Active
2 Select
Bottom Detection
Tip
The bottom detection parameters are also found as a page in the
dialog box. To open the
Options
button on the
Active
information pane.
3 Set
Minimum Depth
location.
• The
Minimum Depth
transducer face and down to the depth you have chosen.
• Set the
Maximum Depth
50
parameters provide separate limits for minimum and maximum
parameter allows you to manually modify where on
menu.
.
Information Pane Options
menu. To open the page, you can also select
and
Maximum Depth
setting eliminates all unwanted bottom detections from the
to approximately 50 % more than the expected depth.
dialog box, select the
to values fit for the depth at your current
Information Pane
in the Depth
Setup
401925/C