Operational Overview; Control Description - Furuno CH-250 Operator's Manual

1. OPERATIONAL OVERVIEW

1.1

Control Description

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