Furuno CH-250 manual Selecting Train Center, Selecting the Tilt Angle

2.5Selecting Train Center

The [TRAIN] control selects the center direction of the detection range. The range of adjustment is 0° to 354° in increments of 6° . The selected bearing is shown with a filled circle, the train indicator, on the bearing scale.

0˚ (360˚) → 6˚ → 12˚ → 18˚ → ... 354˚

Train indicator

Sector

Figure 2-6 Train center

2.6Selecting the Tilt Angle

The tilt angle shown the direction to which the sound wave is emitted. When the sound wave is emitted horizontally, the tilt angle is said to be 0° and when emitted vertically, 90° .

To set a tilt angle, operate the [TILT] control. Watch the tilt angle indication and tilt angle indicator at the top right corner of the screen. The tilt angle can be set in increments of 1° from 0° to +5° (upward) to 0° to 90° (downward).

Select tilt angle depending on target fish. For surface fish select a narrow angle (about 5° ) and for bottom fish, a wide angle (about 40° ).

Sounding beam

+5˚

0˚ Horizontal direction

Transducer Tilt angle setting range

90° Vertical direction

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