USING THE 150SX
MENU FUNCTIONS
(20m). These ranges are not directly user controlled but are instead dependent on the current depth range. In shallow water, when the 15' (5m) or 30' (10m) range is in use, the Zoom range is 7¹⁄₂ (2m). If the 60' (20m) or 120' (40m) range is in use, the Zoom range is 15' (5m), if a
Zoom range is 30' (10m), and if the 600' (185m) range is in use, the Zoom range is 60' (20m).
To enable ZOOM, press MENU repeatedly until the Zoom heading is displayed. When the Zoom menu appears, use the DOWN ARROW to select ON then use the DOWN ARROW to select either AUTO or MANUAL.
While using Automatic Zoom, the depth adjustment is controlled automatically,
allowing you to view the area immediately above the bottom. This is especially useful if
you are looking for structure or minor variations in terrain in areas of relatively flat bottom terrain. If MANUAL is selected, The digital depth readout will continue to track the bottom even when Zoom is enabled.
If MANUAL Zoom is selected, use the DOWN ARROW
to select ADJUST, then use the UP and DOWN arrows to scroll through the available Zoom Ranges.
To disable Zoom, press the MENU button until the Zoom menu is
time out.
Depth Alarm. The 150SX contains an audible alarm to warn you of shallow water depths. The
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