Lowrance electronic X-20 GPS Receiver User Manual


 
MODE
The X-20 has five different screen
modes. To
change
modes, press
the
MODE
key. Keep pressing
the MODE
key
until the
desired screen
appears.
A
summary
of the
different screen modes follows.
mode used
when the unit is first turned on.
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—H-I
AUTO
When the unit is first turned
on,
the automatic
feature is enabled. It
works
automatically
to find
and
display
the bottom
depth.
The sensitiv-
ity
and
range
are also
adjusted
to
keep
the bottom
signal
on the screen
at all times.
To turn the automatic
feature
off,
simply press
the AUTO
key
once. The word "AUTO"
will
disappear
from the
display, signifying
the automatic
sensitivity
and chart
range
features are off.
This also
turns the Fish
l.D. feature off at
the same time. The
digital
remains on.
To
return the unit to the automatic mode,
press
the AUTO
key again.
This
will reset the
sensitivity,
so
you may
wish to
increase it to see fish
or other detail. This will not
turn the Fish l.D. feature
on. You will have
to
press
the Fish l.D.
key
to turn
it on.
ALARMS
The unit
has two different
alarms,
a chart
alarm and Fish Alarm.
The
chart alarm consists
of a bar that
displays
on the left side of the
screen.
The
alarm
"chirps"
whenever the unit
detects an echo inside
the
boundaries
of the bar.
Fish Alarm
sounds an audible alarm
when fish or other
suspended
objects
are detected.
It works in
conjunction
with the Fish
ID. feature.
To
separate
the
alarms,
the fish alarm's tone
sounds different than
the
chart alarm.
Both alarms
may
be used at the
same time.
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MODE
1
-
This is the default
It has the
following
features:
a)
Small
digital depth
dis-
play
in lower left corner. It
does not show tenths of a
foot. Normal chart
display.
b)
No FASTRAK.
MODE 2
-
This is the
same as mode 1
except
it has
FASTRAK. This
displays
on the
right
side
of the
screen. It con-
verts all
echoes to hori-
zontal
bars when
they
first
appear
on the
screen.
This
gives
a
rapid update
of
condi-
tions
directly
under the
boat. Echoes are
also
scrolled
normally
across
the
display.
The Fish
l.D. feature is not avail-
able with this mode.
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AUTO
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6"
16
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