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Pressing
the
keys adjacent
to
this label
moves
the
top
of the
zone alarm bar
up
or down.
To turn
the Zone Alarm
off,
return to the Zone Alarm
menu,
then
press
the
key adjacent
to the "OFF" label.
NOTE: The Zone Alarm will not
operate
and is not available
when the
Z-9500 is in the Full Screen Bottom Track
mode,
but it can
be used in
the
Split
Screen mode. To use
the Zone Alarm in the
Split
Screen
Bottom
Track
mode,
first enable the
Split
Screen Bottom
Track,
then
turn the zone alarm on.
Bottom Alarm
The Bottom Alarm works off the bottom
signal only.
No other echo
will
trigger
this alarm. The
Bottom Alarm is
actually
two different alarms. It
consists of a shallow alarm
and a
deep
alarm. The shallow alarm
sounds a
warning
tone when the bottom
signal goes
shallower than the
alarm set
point.
The
deep
alarm sounds
when the bottom
signal goes
deeper
than the alarm set
point.
Use the
shallow alarm to wam
you
of
shallow water.
Use the
deep
alarm to alert
you
to
deeper
water,
such
as a
drop-off.
The shallow
and
deep
alarms
adjust identically. although through
dif-
ferent menus.
To turn
the Bottom Alarm
on,
first
press
the ALARM
key.
Next,
press
the
key adjacent
to the "Bottom Alarm" label. The screen shown at the
top
of the next
page appears.
This is the Shallow Alarm and
Deep
Alarm
menu. Press the
key corresponding
to the desired alarm. The
shallow alarm
was
adjusted
in this
example,
so the
key adjacent
to
the
18
Upper
Lower
Clear
54y
20°
40'
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