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water, the 0-30' range would be selected). This provides the best display resolution and therefore
the best target separation possible.
The Depth Range can be adjusted manually. Press MENU
repeatedly until the Depth Range menu is visible. The two
options available are "Auto" (Factory Setting) and "Manual".
Pressing the DOWN ARROW enables "Manual" depth range
control and an additional menu will appear which allows the
user to adjust the current depth range setting. If no further
button is pressed, the current depth range is selected as the
desired range and the unit returns to normal operation.
Using "Manual" Depth Range control, the user can view sonar
information from the area near the surface in great detail. If a
depth range other than the current range is desired, pressing
the DOWN ARROW to highlight "Adjust" will allow selection of
one of the 9 available ranges. Simply press and hold the UP
or DOWN ARROW button to scan through the available
options. If a setting limit is reached, the audible "error" or
multiple chirps will be heard and no further adjustment is
allowed.
When "Manual" range is used, the unit no longer adjusts the
Depth Range to the most appropriate range for bottom display.
Often, the bottom may not be visible on-screen. The digital depth
readout always determines the depth of the bottom, even if it is
not visible on-screen.
When a Depth Range is selected manually and the Depth Range
menu is still active (most recently used), further adjustment of the
depth range can be achieved by simply pressing the appropriate
UP or DOWN ARROW button. The button press will bring the Depth Range menu on-screen and
allows immediate adjustment of the range.
To return to "Automatic" Depth Range control, press the MENU button until the Depth Range
menu appears on-screen and use the UP ARROW to select AUTO. The ProAngler returns to
Automatic operation.
Zoom
Zoom is similar to Depth Range in that it controls the range of information displayed in the
graphics area of the display. Zoom, however, allows selection of ranges beneath the surface so
any area of water between the surface and the bottom can be enlarged to provide more detailed
information. By using the full display to show a small area of coverage, the effective display
resolution is increased, and the unit's ability to separate targets which are very close together is
enhanced.
There are four different Zoom ranges available; 7 1/2', 15', 30', and 60'.
These ranges are not directly user controlled but are instead dependent
on the current depth range. In shallow water, when the 15' or 30' range
is in use, the Zoom range is 7 1/2'. If the 60' or 120' range is in use, the
Zoom range is 15', if a 180'-480' depth range is in use, the Zoom range
is 30', and if the 600' range is in use, the Zoom range is 60'.
The ProAngler shows Zoom range in conjunction with the full depth
range. The Zoom range is shown on the left side of the screen and full range information is