Furuno CH-250 manual Echo Sounder Menu Overview, Echo sounder menu description

4.11 Echo Sounder Menu Overview

This section presents an overview of the items on the ES menu.

1.Press the [MENU] key to open the menu.

2.Press to select MENU and then press or to select the ES menu.

MENU	COM1	COM2 HORZ VERT	ES	PRESET SYS
TVG LEVEL		4.0
TVG DISTANCE		4.0
GAIN ADJUST		0
RES. COLOR		LOG
CLUTTER		0
A-SCOPE		OFF

: SELECT : CHANGE MENU: END

Figure 4-9 ES menu

3.Press or to select item desired.

4.Press to show corresponding dialog box.

5.Press or to select option desired.

6.Press the [MENU] key to register your selection and close the menu.

4.11.1 Echo sounder menu description

TVG LEVEL: Compensates for propagation loss of sound in water. See paragraph 4.10.1 on page 4-7. Default setting is 4.0.

TVG DISTANCE: As above. Default setting is 4.0.

GAIN ADJUST: Compensates for too weak or too strong echo level. Adjust the gain on the echo sounder mode when it is not the same as that on the horizontal and vertical fan modes. Setting range: -10 to +10. Default setting is 0.

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