Humminbird 150SX, Operation Manual

Page: 16 / 36

down the total range (for example, in
20' (6m) of water, the 0-30' (0-10m)
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. 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. 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.
There are four Zoom ranges available: 7
¹⁄₂
' (2m), 15' (5m), 30' (10m), and 60'
14
USING THE 150SX
MENU FUNCTIONS
High Sensitivity Low Sensitivity
Sensitivity at “0”