Beam Width & Direction Adjustment - Interphase Sea Scout Operation Manual

Forward scanning sonar
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Beam Sector Width & Steer Adjustment
The large rotary knob labeled "BEAM" can be used to
both adjust the beam scanning sector width and the
direction of the scan. For example, you may only want
to scan the area to the port (left) or starboard (right) side
of the boat.
Press the soft key labeled "BEAM" to bring up a sub-
menu of beam adjustment choices. By pressing the soft
key labeled "WIDTH", the rotary "BEAM" knob can be
used to adjust the scanning sector width. The actual
sector size will be shown on the display as the BEAM
width is adjusted.
By pressing the soft key labeled "STEER" the resulting
sector can then be steered throughout the possible 90
degree horizontal sector .
The RESET button can be used to quickly select three
popular scanning sectors. If the RESET button is
pressed once, the Sea Scout will return to the full 90
degree horizontal sector scan , pressing RESET again
will put the Sea Scout into one of two preprogrammed
forward sector scans as shown at right.
Beam Speed (Resolution)
In its normal scanning mode "NORM", the Sea Scout
will send out 50 forward beams and will alternate
between a forward beam and the down-looking beam. In
the "FAST" position, only 30 beams will be used and the
Sea Scout will send 5 forward scanning beams for every
down-looking sample. In the "DETAIL" mode, the Sea
Scout sends out 90 beams, one every 1 degree for the
maximum resolution, but also at the slowest speed.
RESET
(Full Sector
Scans))
RESET
(Forward
Sector Scans)
37

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