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NOTE
An alarm setting of zero is equivalent to
having the alarm off.
Change the alarm settings by selecting Alarm from
the Adjust menu. Turn the alarm on and off by click-
ing on the Alarm On box. Select an alarm distance
by moving the slide bar.
The distance covered by the alarm will appear in the
scale bar of the display as a solid magenta bar, and a
magenta line or arc will cross the display at the spec-
ified distance or depth. Vertical and downlooker
alarms are triggered whenever a solidly displayed
target appears shallower than the depth indicated by
the alarm bar. The horizontal alarm is triggered
whenever a solidly displayed target appears closer to
the boat than the range indicated by the alarm arc.
Once the Alarm has been triggered, it will continue
sounding until it has been reset. Reset the Alarm by
clicking on the Clear Alarm button in the Alarm box
or by clicking on the yellow light bulb in the Tool-
bar.
Adjusting the Viewing
Area
PC/View provides several features which allow you
to modify the look of the display windows. These
features can be accessed via the Adjust menu. Sector
and Scan adjustments apply to the scanned displays,
and each scan direction uses its own settings. In ad-
dition, a Zoom feature is available for the DOWN
display.
Sector Width and Steer
PC/View allows you to limit your field of view by
adjusting both the width and the steering direction of
the scanning sector. This allows for a faster update
in a region of specific interest. For example, you
may want to view only the region just below the wa-
ter surface in front of your boat. Thus, you might
limit your sector width to 30 degrees and steer it up
to the surface (at 15 degrees - see figure at left).
The Sector Width can be reduced in six-degree incre-
ments from the default and maximum of 90 degrees
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