Humminbird 900 Series - Manual (Page 93)

Beam Select
Beam Select sets which sonar returns from
the transducer will be displayed on the screen.
When set to 200/83 kHz, the returns from both beams are blended. The Split
Sonar View continues to display the sonar returns from each beam in their
respective windows. The blended information is shown in the Sonar View.
The RTS® Window in the Sonar View will only show the returns from the
200 kHz narrow beam.
When set to 200 kHz, only the returns from the 200 kHz narrow beam will
be displayed in the Sonar View. The Split Sonar View will continue to display
returns from both beams in their respective windows. The RTS® Window in
the Sonar View will display the returns from the 200 kHz narrow beam.
When set to 83 kHz, the returns from the 83 kHz wide beam will be
displayed in the Sonar View. The Split Sonar View will continue to display
returns from both beams in their respective windows. The RTS® Window will
display the returns from the 83 kHz wide beam.
To use Beam Select:
1. Highlight Beam Select on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to select either
the 200 kHz beam, the 83 kHz beam or the 200/83 kHz beam.
(200/83 kHz, 200 kHz, 83 kHz, Default = 200 kHz)
Side View Frequency
(Side Views only)
Side View Frequency allows you to select which frequency to apply to the
side-looking beams (800 kHz or 455 kHz).
To change the Side View Frequency:
1. Highlight Side View Frequency on the Sonar main menu.
2. Use the LEFT or RIGHT 4-WAY Cursor Control keys to select either
the 800 kHz beam or the 455 kHz beam. (800 kHz or 455 kHz; Default
= 455 kHz)
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