Simrad ITI
20
857-164777 / A
Note
$PSIMMW will be sent when clump position undated, only. Update
of the new angle parameter due only to change of course, is not
supported!
@IITFI,x,y,z<cr><lf> Trawl Filling
TFI represents Trawl Filling.
x,y,z are the catch 1, 2 and 3 messages
(off = 0, on = 1, no answer = 2).
@IITTS,x,M,y,P,z,M<cr><lf> Trawl To Shoal distance
TTS represents the Trawl To Shoal distance.
x,M is the horizontal distance in metres from the trawl to the shoal in
a direction normal to the vessel’s centre line. The value will be
positive if the shoal is on the starboard side of the trawl,
otherwise negative.
y,M is the horizontal distance in metres from the trawl to the shoal is
the direction of the vessel’scentre line. The value will bepositive
if the shoal is ahead of the trawl, negative if the shoal is behind
the trawl.
z,M is the vertical distance in metres from the trawl to the shoal. The
value will be positive if the trawl is above the shoal, negative if
the trawl is below the shoal. The sign will be shown only if the
value is negative.
Note
This sentence requires the @SSTPP sentence from a scanning
sonar, an active depth sensor on the trawl and gyro input on both
sonar and ITI.
$SDDBS,x.x,f,y.y,M,z.z,F*hh<cr><lf> Sounder Depth Below Surface
SD represents Sounder Depth.
DBS represents Depth of water Below Surface.
x.x,f is the depth in feet.
y.y,M is the depth in metres.
z.z,F is the depth in fathoms
- only depth in meters will be transmitted
- this is a filtered copy of external echosounders depth.
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