Furuno CH-300 - Manual (Page 49)

2. HORIZONTAL MODE
2-23
TARGET KEY:
Chooses target lock function between position and echo. Default setting is
ECHO. For further details see paragraph 2.13.
LOCK MODE:
Chooses how to track fish echo in ”echo” target lock; automatically or
manually. Default setting is AUTO. For further details see paragraph 2.13.
AUTO TILT:
Turns automatic tilt on or off, and the default setting is OFF. The choices are
±2°, ±4°, ±6°, and ±10°. Automatic tilt adjusts the tilt angle in the following sequence:
B
→ (B-A) → B → (B+A) → B → (B-A) → B → (B+A)…
B: Current tilt angle
A: Auto tilt setting
For example, the tilt angle is 30
° and the automatic tilt setting is 4°. Then, the tilt angle is
changed in the following sequence: 30 ° → 26° → 30° → 34° → 30°→ 26° → 30° → 34°…
Note:
The TILT control is inoperative when automatic tilt is active.