Humminbird 987C SI COMBO manual Views and Readouts, Sonar View

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VIEWS AND READOUTS

All views have an Information Bar on the left side of the screen, consisting of readouts that are stacked vertically, and that change from view to view. You can customize the information displayed in individual readouts on many views, including suppressing a particular readout so that nothing is displayed; the ability to customize readouts depends on the view and whether you are navigating (see Setup Menu Tab, Select Readouts for more information).

SONAR VIEW

Sonar View presents a historical log of sonar returns. 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 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-Press™ Menu).

Sonar View

1	6	7	8	9
	2
			5	10
					11
3
4
				12
1	Depth			Depth below Cursor	7
2	Triplog			Distance to Cursor	8
3	Temperature			Bearing to Cursor	9
4	Speed			RTS® Window	10
5	Cursor			Sonar Color Bar	11
6	Depth of Cursor			Lower Depth Range	12

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 and cursor dialog box 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.

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