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1. OPERATIONAL OVERVIEW
1.1 Control Description
Turns the power on/off.
Lowers the transducer.
Adjusts receiver
sensitivity.
Selects center bearing of training sector.
Selects detection range.
Controls tilt angle.
Selects center direction of
the vertical scanning sector.
Omnipad
Shifts cursor.
Selects menu items, options.
Opens/closes
menu.
Inscribes/erases event
marker.
Inscribes/erases range
and bearing markers.
Adjusts display
brilliance.
Selects scan speed (sonar)/picture
advancement speed (echo sounder).
Selects width of
training sector.
Alternately selects main
and sub windows in
combination displays.
Provide short-cut
key or one-touch
setup.
Select display mode.
Raises the transducer.
Switches training sector to 360˚
(horizontal mode), or 180˚ (vertical fan mode).
Horizontal/History
Vertical Fan
Horizontal/Video Plotter
Horizontal/Vertical Fan
Horizontal/Strata
Horizontal
Expanded Horizontal
Echo Sounder
Turns target lock on/off.
Figure 1-1 Control unit