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ZONE ALARM
The zone alarm is triggered when any
echo passes inside the zone alarm
bar, shown on the right side of the
screen. To turn the zone alarm on,
highlight the "Zone Alarm" label on the
alarms menu, then press the right ar-
row key. To adjust the zone alarm,
highlight the "Zone Adjust" label, then
press the right arrow key. A screen
similar to the one at right appears.
To adjust the top of the zone bar higher
or lower, press the up or down arrow keys while the up and down arrows
are surrounding the "Upper Zone" on the screen as shown above. To
adjust the bottom of the zone bar, first press the right arrow key to move
the arrows to the "Lower Zone" on the screen, then use the up or down
arrow keys.
When the zone alarm is set, press the EXIT key to erase the menus.
FISH ALARM
Use the fish alarm for a distinctive audible alarm when fish or other
suspended objects are detected by the Fish I.D. feature. A different tone
sounds for each fish symbol size shown on the display. To turn the fish
alarm on, press the ALARM key, then highlight the "Fish Alarm" label and
press the right arrow key. The unit will revert to the sonar display with the
fish alarm turned on. Repeat the above steps to turn the fish alarm off.
Note: If the unit is in the manual mode, turning the Fish Alarm on will also
turn the automatic mode and Fish ID on, also.
ADJUST CHART SURFACE
CLARITY (SCC)
The markings extending downward
from the zero line on the chart are
called “surface clutter.” These mark-
ings are caused by wave action, boat
wakes, temperature inversion, and
other natural causes.
The Surface Clarity Control (SCC) re-
duces or eliminates surface clutter sig-
nals from the display. SCC varies the