Furuno CH-250 - Manual (Page 35)

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2.12 Target Lock
Three types of target lock modes are available.
Manual reverse: The transducer train direction is reserves manually. This is the default
setting, and is available in the horizontal and vertical fan modes.
Position: Tracks stationary position (such as a reef) using position data from a
navigator. Available in the horizontal mode only.
Echo: Tracks fish echo either manually or automatically. Available in the horizontal
mode only.
2.12.1 Setting target lock mode
1. Press the [MENU] key to open the menu.
2. Press to select MENU and then press or to select the HORZ menu.
3. Press or to select TARGET KEY.
4. Press to show following dialog box.
TARGET KEY
REVERSE POS ECHO
5. Press or to select option desired.
6. Press the [MENU] key to register your selection and close the menu.
2.12.2 Manual reserve mode
The transducer train direction is reversed manually, thereby emphasizing possible fish echoes.
Note: This function is inoperative in the echo sounder mode. In the vertical fan mode the
manual reverse mode is automatically selected regardless of the setting in paragraph
2.12.1.
To activate the manual reserve mode:
1. Select REVERSE following the procedure in paragraph 2.12.1.
2. Press the [TARGET] key to reverse the transducer train direction when a fish school
appears. “REVERSE” momentarily appears at the screen top when the key is pressed and
then the transducer train direction is reversed.