Doc. P/N:
WSP-009-008
Version: V1.3
Issue Date: April 2014
Operator Manual
Utility Panel
35
6.3
Advanced Options
Clicking this button to open the
Advanced Options
. Configure these functions to best
suit your requirements.
The suggested values for the Advanced Options are:
►
Minimisation:
4000 (or 800 if using auto power by signal).
►
Clutter:
0-500.
►
Mapping Beamwidth:
0,0 (Full 120 degree beam width).
►
Interference Filter:
Enabled (High) if another sounder is transmitting.
►
Noise Filter
Disabled (only enable if interference issues present).
m
inimisatiOn
Minimisation describes the filtering process used
to remove sidelobe signals. Sidelobe generated
signals show up as a ring on the sonar view where
the transmission pulse first strikes the seafloor, or as
a mirror of features on either port or starboard.
Sidelobe generated features can confuse the sonar
picture making it hard to interpret. However, too
much minimisation can also distort the sonar image.
Refer to section “8.2.3 Sea Trial - Commissioning
Step 10: Side Lobe Levels” on page 49 of the
WMB-X230 Installation Manual for more information
on selecting correct minimisation settings for your
installation.
c
lutter
Clutter describes the filtering process used to
remove all signals below a threshold level from the
sonar and fish finder displays. The control sets the
threshold for the minimum signal level that will be
displayed on these displays. This control is dynamic
and does not affect any other aspect of the system
including the contour fish detection!
B
eamWidth
r
eductiOn
Mapping Beamwidth sets how far apart seafloor
detection points are calculated. Port = 0 and
Starboard = 0 means detections are processed for
120º of the 120º swath. Port = 10 and Starboard =
10 means detections are processed for 100º of the
120º swath.
The default value for Mapping Beamwidth is 10
beams from port and starboard. Set this value to 0
for both Port and Starboard to get the maximum
seafloor mapping width. Sound speed errors and
significant ship motion will make mapping correctly
with these outer beams more difficult.
i
nterference
f
ilter
The Interference Filter enables a reduction in interference caused by other
ultrasonic sub-sea acoustic devices such as sounders. It also provides some noise
filtering. It is recommended that the interference filter be left selected (
Enabled
) if
you have another sounder or sonar on your vessel that operates at the same time
as the WMB-X230. Best results are achieved if all other sounders are turned off. Set
the Interference Filter Level to
High
when encountering strong interference, and
Low
when interference is weak.
