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SONAR ALARMS then itshowsechoesfrom both.
The X-55A has three
different
types
of sonar alarms. The first is the Fish
Alarm. It sounds when the Fish l.D. feature determines an echo or
group
of echoes is afish. Anotheralarm isthe ZoneAlarm which consists of a bar.
Any
echo that
appears
inside this bar
triggers
the alarm. The last alarm is
called the
Depth
Alarm.
Onlythe
bottom
signal
will
trigger
this alarm. This
is useful as an anchor
watch,
a shallow water
alert,
or for
navigation.
To
adjust
an
alarm,
first
press
the ALARM
key.
The screen shown below
appears.
Pressthe
key
nextto the desired alarm's label to
adjust
itorto turn
it on.
FISH ALARM
Use the fish alarm for a distinc-
five audible alarm when fish or
other
suspended objects
are
detected
by
the Fish 1.0. fea-
ture. A differenttone sounds for
each fish
symbol
size shown
on the
display.
To usethis
alarm,
simply pressthe key
nexttothe
"TURN FISH ALM ON" label.
SET DEPTH 4LARNS
n
SET ZONE 4LPM
jTLJKN
FISH
ALF1LII
a
ZONE ALM
U N
ZONE ALARM
The zone alarm consists of a bar that
appears
on the
right
side of the
screen.
Any
echo that
appears
on the screen between
the
top
and bottom
of the zone alarm's bar will
"trip"
the zone alarm.
(Note:
The zone alarm
isn't available in the Windows
mode.)
To set the zone
alarm,
press
the ALARM
key.
Now
press
the
key
next to
the "Set Zone Alarm" label. A screen similar to the one shown below
appears.
_________
Thezone alarm
barappears
on
the
right
side of the screen.
Use the arrow
keys
to move the
bottom
of the bar
higher
or
lower. To move the
top
of the
bar,
first
press
the
key
next to
_____________________
the "CHANGE TO UPPER" la ____
bel. Now use the arrow
keys
to
move the
top
of the bar
higher
or lower. When
you
have the
When either the left or
right
transducerelements are in
use,
the
display
scrolls the echoes
from the
top
of the
display
to the
bottom,
instead of from
right
to
left. On the
example
screens on
the
previous page ,
both the
right
and left transducer ele-
ments are in use. The bottom
echo shows on the far left side
of the left element's
display
and
the far
right
side of the
right
element's
display.
The closer a
target
is to the
zero
line,
the closer the
target
is to
your
boat.
Whenthe Fish
ID feature is
on,
Fish ID
symbols appearon
the screenwhen
the unit's
computerthinks
targets
are fish. If the FishTracklM feature is
on,
the
distance from the boat to the
symbol
shows beneath the fish
symbol.
(Note:
Fish ID and FishTrackTM
only
workwhen the automatic mode is on.
These features are not available when the sonar unit is in the manual
mode.)
The label atthe
top
of the screen shows which transducer element
is in use and the
range.
In the
example
screen on the
previous page,
the
range
is 60 feet and the unit is
using
both the left and
right
transducer
elements.
To
change
elements,
press
the WINDOWS
key,
then
press
the
up
or down arrow
key
until the desired screen
appears.
The X-55A can
show left and
down, right
and
down,
or both left and
rightviews
atthe same
time.
AUTOMATIC
vs MANUAL OPERATION
Your sonar unit can use the BroadViewTM transducer in either the auto-
matic or manual mode. The above screen shows a screen with automatic
and
Fish ID on. The screen shown below shows a much differentviewwith
automatic and Fish ID off. This
view shows the scattered
sig-
nals
(called
"surface
clutter)
near the surface and actual so-
nar returns from
objects
in the
water, structure,
and the bot-
tom.
To switch between automatic
and manual
modes,
press
the
AUTO
key
to view the
auto-
matic/manual
menu,
then
press
IMSMTII
Ii
SET ZONE
IILOWER LIMIT
(CHANGE
TO UPPER
I
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