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The Depth Range can be adjusted manually.
Press MENU repeatedly until the Depth Range
menu is visible. Two options are available: Auto
and Manual.
The manual setting enables you to adjust the
current depth range setting. 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.
Using manual Depth Range
control, you can view sonar
information from the area near the
surface in great detail.
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.
Zoom. The 450TX uses a greatly
enhanced Zoom capability called
“TruZoom” which offers expanded information on a select area of sonar
information. Zoom is similar to Depth Range because it controls the range of
information displayed on screen. 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 close targets is enhanced.
The Zoom ranges available are dependent on
the current depth range. In the 5m (15') depth
range, TruZoom displays a range equal to one
half the current depth range. In the 10m (30'),
20m (60'), 40m (120'), 60m (180'), 80m (240'),
110m (360'), 150m (480') and 185m (600')
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USING THE 450TX
MENU FUNCTIONS
Depth Range
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