Simrad Simrad SP70, Installation Manual

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Simrad SP70
166
851-164336 / D
Trawl to shoal distance
@IITTS,x,M,y,P,z,M<cr><lf>
where (from left towards right):
Component Content
TTS Trawl to shoal distance
x,M Horizontal distance from the trawl to the shoal in
a direction normal to the vessel’s centre line
y,M Horizontal distance from the trawl to the shoal
the direction of the vessel’s centre line
z,M Vertical distance from the trawl to the shoal
Heading, magnetic
$??HDM,x.x,M<cr><lf>
where (from left towards right):
Component Content
?? Talker
HDM Identifier code for the type of system used
x.x Heading in degrees magnetic
M Magnetic
Heading, true
$??HDT,x.x,T<cr><lf>
where (from left towards right):
Component Content
?? Talker
HDT Heading true
x.x Heading in degrees relative to true north
T True