Real Time Sonar (Rts®) Window; Bottom View; Zoom Width (Sonar Zoom View Only) - Humminbird 931C Installation And Operation Manual

93x_Man_531370-1_A - vs4.qxd 2/18/2005
REAL TIME SONAR (RTS®) WINDOW
RTS® Window sets the RTS® Window to either
Wide or Narrow, or turns it off in the Sonar View. The RTS® Window always updates at
the fastest rate possible and only displays returns that are within the transducer beam.
(See Getting Started - Using Your 900 Series™: Real Time Sonar [RTS®] Window for more
information.)
To change the RTS® Window setting:
1. Highlight RTS® Window on the Sonar main
menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control
keys to change the RTS® Window setting.
RTS® Window (Wide)
(Wide, Narrow, Off, Default = Narrow)
RTS® Window (Narrow)
RTS® Window (Off)
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represent bottom and structure on the display. Structure ID® represents weak returns
in blue and strong returns in red. WhiteLine® highlights the strongest sonar returns in
white resulting in a distinctive outline. This has the benefit of clearly defining the
bottom on the display. See Bottom Presentation for more information.
To adjust the Bottom View:
1. Highlight Bottom View on the Sonar Main Menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the Bottom View
setting. (Structure ID, WhiteLine, Default = Structure ID)
Zoom Width allows you to control the width of the Zoomed Sonar (the left-hand side
of the screen).
To change the Zoom Width:
1. Highlight Zoom Width on the Sonar Main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to change the width of the
Zoomed
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BOTTOM VIEW

Bottom View selects the method used to
ZOOM WIDTH
(Sonar Zoom View only)
Sonar. (Narrow, Medium, Wide, Default = Narrow)