If the chart alarm is set off
by
a fish or the
bottom, the alarm
will sound
and the ALARM can be seen at the bottom of
the
display
lithe range is
changed,
the chart alarm
may need to be changed also,
since it
operates independently
and does not track range sethngs.

I'll

The note key turns the audible tone off or on. When the alarms are
first
set, the audible tone is on which can
be seen by
the note annuncia-
tor at the bottom of
the display. To turn the audible tone off, press the
note key on the
keyboard
once. To turn it back
on, press
the note key
again.
Clearing the Chart Alarm
To turn the Chart Alarm off, press the SELECT key
to
switch over to the
Deep
Alarm, or press 2nd -0-SELECT. The
annunciator "CHART ALARM"
in the bottom left hand corner of the screen will
go off, showing that
the
alarm is no longer in use. Note: Simply pressing
the SELECT key
will
switch the X-3 from the chart alarm to the depth
alarm. All of the chart
alarm settings
will remain in memory. Pressing
2nd-0-SELECT will erase
the chart alarm settings.
DEPTH ALARM
The
Depth
Alarm is actually
two alarms. The shallow alarm
gives a visual
and/or audible signal
when in water that is shallower than the alarm set
point
The
deep alarm will give a visual and/or audible
signal when in
water that is
deeper
than the alarm set
point
Note that this alarm window
is
exactly opposite
from the
chart alarm. Also,
the
depth alarm can be set
off
only by
the bottom signal,
not
by fish or any other echoes.
NOTE: The
digital must be on in order to use the
Depth
Alarm.
To use the depth alarm, press the SELECT key until the
DEPTH
ALM
annunciator appears
in the lower left hand corner of the screen. When
first turned on, both alarms are automatically
set
to zero.
To set the Deep
alarm, press the desired depth using the number
keys on the
keyboard,
then press the DEEP SET
key. For
example, if a Deep alarm setting
of 55
feet is
desired, press 5-5-DEEP SET. The number 55 will show in the
display in large numbers for 6 seconds and then disappear.
Now if the
water
depth goes
below 55
feet the alarm will sound.
NOTE: The maximum alarm
depth setting
is 999 feet
16
L
FT/FA/M
FEET-FATHOMS- METERS
The X-3 can display
the depth in either
feet, fathoms, or meters. When it
is first turned on, the
display
reads in feet To change it to fathoms or
meters, press 2nd-6. The letters 'ft' will be displayed
on the screen,
showing that
the X-3 is in the feet mode. While the letters "it" are still
displayed, press the 6 key again. Now the letters "ft" will disappear and
the letters "fa" will appear.
The
range has
changed
to fathoms. Press the

6

key again and the display
will show the letter "M" and change
to
meters. After six seconds the letters will disappear. To change
the range
back to feet, press 2nd-6-6. To see which range
mode the unit is in,
press 2nd-6 at
any
time and the letters
ft fa, or m will appear When the
unit is turned off, and then back on, it will always return to feet.
15 20
28 Figure 18
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