JMC F-2000 - Page 18

F-2000
SPecillcalions
2.2.
Specifications\conti,ued
3/4)
r
Disolav
Duatron:
]'be displsved
ecbosmm
emains
on screeD
tbr €pprox
'
2c.21
minuLPs'
dep"nding
oD deprh
range
rn use
r
Echo
Dynanic
Ranse:
Change
in echo
indication
to next
stronsetwealer
color
Dornallv
represents
a 3-dB
chanse
in strength
Other
selectable
dvnaroic
ranges
include
4, 5
md 6
dB
.
Display
Modes:
The
following
displav
nodes aE
selectable:
'
Single
ftequencv
(channel)
full screen
displav
'
Sinsle
frequencv
split
scr"en
'LsplaJ
.wilb
left
hsll
scrc"n
showgbotbm
erhogram
recaupd
Fom
mcmory'
EchosraD
Feed
Rates
(Plot
Speed):
'
7/1,1'/2
and 1/4.
The sounding
rate for
the depth
rarge in
use !€maiDs
unchanged
regardles6
ofthe
feed mte
*lected'
Noise
Reduction:
3 steps
(low,
lnid
and hicD
ADromaricaly
sdjusted
for
deprh ranse
io user-m-anua]]v
adiustablc
in a
iorsl oi
41 sLPps(lclelololelel4u'roreacn
opiratine
channel/&equency
Aubmaticallv
adiusted
for dpplh
MeE
iD use:
bsouallv
adiuslable
ira t
ial olSl steps
llevel
0 to level
30) for
each
op;raths
charneUft
€quency
I
a
Receiver
Gain:
I TVG
(STC):
Audible
and Visual
A.larm:
The foUowins
alsrms
ale
enabled
at all tines
with
the equpment
switched
on:
o
DeDrhr
Warns
esaimr
d"eeasinc
deplh.
wilb
aldm
trisBcrins
_
deDrh user_Dr€senable
in o.l_mcrer
sreps.
.
Audible:
S*ps at appmxi-"i.lv
l+€ond
interyals
The soud
can
be
muted br
rressine
v@.
.
\4sualr
Blinks
aiarm
svmbol
A
and
on-screeo
prcser
talue oD
rcd
bs.Lgroubd
at approximatelv
l-se'ond
rnt€ru31e
. Missins
Borbm:
Wams if
borlom ecbo
is losr
or too
wea-k Lo Eeasure
deprh'
or
iI depth
esceeds
lhe raDgF
limil
for 4 secobds
or
mor'
.
Audible:
B"eps at
approdmsl"t,.l
second
irlcnals
Thp sound
can
be muted
DY
PressDs 6
.
Visual:
Blinks oD-screen
depth readout
unit
(m'
FM'
BR, or
FT) at
approximat€lv
I second
intervals'
. Powpr
faiim:
Walns
sgainsr
drcp of
po*er 6upplv
wltage
below
lacuorv
si'oified
level
ttt\4
for
DC
powered operation'
.
Audible:
Beeps at
appmxinatetlf:q€ond
inteNals
The somd
can
be muted
bY
er€ssinc
-
@.
'
visual
Blinls
atarm svmbol
l-f
andon
rrcen
voltage readour
ob
red backgmund
ar app-rodoatelv
| {Fcold
nlervais
(continued
ot next
pase)