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DEPTH ALARMS
__________________________
The
depth
alarms sound atone
when the bottom
signal
goes
_____ __________
shallower than the
shallow
alarm's
setting
or
deeper
than
_____________
_____
the
deep
alarm's
setting.
For
____________________________
example,
if
you
setthe shallow
______________
alarm to ten
feet,
the alarm will
__________
___________
sound a tone if the
bottom
sig ___________
_________
nal is less
than ten feet. It will
_____
_____________
continue to sound until
you
_____________ ________
mute it or until the
bottom
goes
_____
_______________
deeper
than 10 feet. The
deep
alarm works
just
the
opposite.
It sounds
awarriingtone
if the bottom
depth
goes deeperthan
the alarm's
setting.
Both
depth
alarms work
only
off the
digital
bottom
depth
signals.
No other
targets
will
trip
these alarms.
These
alarms can be used
at the same time or
by
themselves.
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CONSTRUCT 0
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MENU. PAGE 2
____________
______
ADJUST BACK LIGHT
_____
LEVEL
The X-55 has internal
lights
for
the
display
and
keyboard.
To
adjust
the
intensity
of the
light
______
ing, press
the MENU
keytwice,
__________
____________
then
press
the
key adjacent
to
____________
______________
the "ADJUST BACK LIGHT
____
____
____
LEVEL" label. The screen
shown below
appears.
Now
_____
__________
press
the left arrow
key
to de-
crease the
light
level. Press the
right
arrow
key
to increase it. The
percentage
of back
light
in use
changes
as the
arrow
keys
are
pressed.
The bar chart also
gives
a
graphical
indication of the level. After
you've
made the
adjustment, press
the CLEAR
key
to erase the menu.
PAGE 2
To set the
depth alarms,
first
press
the ALARM
key,
then
press
the
key
next to the "SET
DEPTH ALARMS" label. The screen at the
top
of this
page appears.
To
adjust
the
shallow
alarm,
press
the
key
nextto the
"Shal-
low"
label.
To
adjust
the
deep
alarm,
pressthe key
nexttothe
'Deep"
labeL Both alarms ad-
just
identically.
We'll use the
shallow alarm as an
example.
Pressing
the
key
next to the
"Shallow" label movesthe black
box from the "OFF"
postion
to
the number on the
right
side of
the arrow. A new label
appears
at the bottom of the screen:
"CHANGE LIMIT." Press the
key
next to that label. A new screen
appears
as shown
at the
top
of the
next
page.
Use the numbered
keypad
on the
right
side of the unit to enter
the shallow alarm
setting.
We used 10 feet in this
example.
DEEP flN 100
E'sIT UFtANGE Lull
E
T
E
BACK LIGHT ON/OFF
To turn
the back
lighting
on,
_________
pressthe
menu
keytwice,
then
press
the
key adjacent
to the
"BACK LIGHT" label. This
moves the black box from
"OFF' to the "ON"
position.
To
turn the
backlights
off,
repeat
the same
steps.
___________
SPEAKER VOLUME
The
speaker
volume has two
levels:
high
or low. When the X-55 is first
turned
on,
the
speakervolume
is
high.
To
change
it,
press
the MENU
key
twice,
then
press
the
key
next to the "SPEAKER VOLUME LOW HIGH"
key.
This switches the volume
from
high
to low. A short tune
sounds,
letting you
hear
the volume. To switch back to
high, simply press
the
key
again.
To exit from this
menu, press
the CLEAR
key.
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I-hoEd XNCI'-
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