ad"""""d s:;'?:8:
3.
Basic Operating lnstructions
3.1. lnterpreting
Nayigalion Sounder Screen
Tbe figu" below illustmr€s a
r}"i.al opera{ing displa} showins a
tull
.olor
borbm
ioposraphy us;ng a Iow freiruen.y
(50
kHz)/chaMel-B lransducen
A bricldptrriplion
of on-screen readouts
dd objectu is
siven
below.
Iisue 3-1 l}Tical Full-Sdeen Flll-Color
Echoslan Display
@
Opentins Frequencr/Clannel
--------------
l_-
@
Po*er Supply Voltase
_-_--
@
ri-" rvr*1"."
@
Picrure Feed
(PF)
nate
@'fta.sdDcerldation
--_
@
ftansducer D.aft
--,
O
Nois" R"dud,n
{NR, L.*r
---------1
iili-
i
@
cAIN &,rvc r.*'"
-------i
i i i i
-----i
|
---
. ir !
L-i------.
I i
i--
9
LAr/LoN ofPres"nr Posir.on-'
ii i
t
i i i
i
5{31,314N
006"52,717E
7.5 c
<----.@
waier T€mDe.arlre*2
<--
@
color scale
""V--.
Yr-,,,
'l*rlri'"'
i,
wc=ar
rr{R-oFF
F2as A;Yro.s
v
.-a
O
eofto^ n"r'o
--'-!
.:
il
r-@
DeDthAlsm
6)
MNhuh R!nee
Linit
*r
optional GPS @M t GPS.ldts tuurc reauired.
"2
Qptimal
tenpdztm setsor requiEd,
O
eotto-
rcho
The bottom echo is Ehom in up to a total of seven
differcnt
€oloE,
dependirg on th€
shength. The colors used to drsplay
the bottom re shoM on the color scale
(@)
in
order of strencth.
Red, initialy at the lower end of the scale, rcpresents
the
stronsest
pari
of the
qho (i.e.
hardest layer of bottom stratum),
dd blue initially
rcpresents the weakest
part
(i.e.
softest
layo of the bottod.
It is
possible
to
display
only the @ntot o! the botton in a sinsle color ia
the menu4nided
procedm'
see
ptagnph4
9 fo' instructions
Gohtikued
ah hext
pase)
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