Sonar View, Understanding Sonar History

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Sonar View

The views available on your Matrix Fishing System are:

•Sonar View

•Zoom View

•200/83 kHz Split Sonar View (DualBeam PLUS™ and QuadraBeamTM Only)

•Big Digits View

•Side Beam View (QuadraBeamTM Only).

Sonar View is the default view. When the VIEW key is pressed, the display cycles through the available views. When the EXIT key is pressed, the display cycles

Depth

Temperature

Triplog

Sonar History

Window

Cursor Dialog Box

Upper Depth Range

RTS® Window

Cursor

Lower Depth Range

through the available views in reverse order. Any view can be hidden or displayed as part of the view rotation using Select View from the Advanced Setup Menu.

NOTE: When you change any menu settings that affect the sonar, the view will update immediately (i.e. you don’t have to exit the menu to apply the change to the screen). For instance, by switching between "Inverse" and "Structure ID®" from the X-PressTMMenu it is possible to quickly alternate between the two viewing methods.

Sonar View

Sonar View presents a historical log of sonar returns. Depth is always displayed. Readouts for temperature and speed are automatically displayed if the appropriate accessory is connected. The most recent sonar returns are charted on the right side of the window; as new information is received, the older information is moved across the display to the left. A Digital Depth Readout is displayed in the upper left corner. A scale with Upper and Lower Depth Range readouts appears along the right edge of the Sonar View. The scale indicates the distance from the surface of the water to a depth range sufficient to show the bottom. Depth Range is automatically selected to keep the bottom visible on the display, although you can adjust it manually as well (see Sonar X-PressTMMenu). Either five or six additional Digital Readouts (depending on your model) display information from optional-purchase accessories. These information boxes can be customized to show only the information desired (see Setup Menu Tab, Select Readouts).

NOTE: If the Depth number is flashing, it means that the unit is having trouble locating the bottom. This usually happens if the water is too deep, the transducer is out of the water, the boat is moving too fast, or for any other reason that the unit can’t accurately receive continuous data.

Freeze Frame - Pressing any arrow on the 4-WAY Cursor Control key will freeze the screen in the Sonar View and a cursor will be displayed on the screen. The cursor can be positioned on the display using the 4-WAY Cursor Control key to determine the depth of any sonar return. The RTS® Window continues to update in Freeze Frame. In addition, see the effects of menu setting changes with Instant Image Update. Pressing EXIT will exit Freeze Frame and the display will start to scroll. Freeze Frame is only available in the Sonar View.

Understanding Sonar History

It is important to understand the significance of the Matrix Fishing System display. The display does NOT show a literal 3-dimensional representation of what is under the water. Each vertical band of data received by the control head and plotted on the display represents something that was detected by a sonar return at a particular time. As both the boat and the targets (fish) may be moving, the returns are only showing a particular segment of time when objects were detected, not exactly where those objects are in relation to other objects shown on the display.