Furuno FSV-84 manual Adjusting Beamwidth, Dialog box

3. VERTICAL MODE

3.10Adjusting Beamwidth

The vertical beamwidth of the Rx beam can be adjusted on the OTHERS menu to reduce surface reflections.

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

2.Select V-SCAN SETTING and press the [MENU] key.

3.Select OTHERS and press the [MENU] key.

MENU		QUIT
V-SCAN SETTING		QUIT
OTHERS		QUIT
COLOR	: COLOR 1
COLOR SETTING...
COLOR RESPONSE	: COLOR CURVE 3
COLOR RESPONSE...
GAIN OFFSET	: 0
SIGNAL LEVEL	: 0
FAR TVG CURVE	: TVG 2
ABSORPTION COEFF : 23.5dB
TVG DISTANCE...
2nd AGC DISTANCE	: 0 m
NEAR AGC DISTANCE: 200 m
SMOOTH ECHO RNG : 0
SMOOTH ECHO CIR	: 0
BEAMWIDTH...
DISPLAY POSITION	LEFT
VERTICAL SIZE	FULL

OTHERS menu

4. Select BEAMWIDTH and press the [MENU] key.

MENU		QUIT
V-SCAN SETTING		QUIT
OTHERS		QUIT
BEAMWIDTH		QUIT
BEAMWIDTH A	: 0
BEAMWIDTH B	: 0

Dialog box

5.Select BEAMWIDTH A and set appropriate value. The higher the setting the sharper the horizontal resolution. The setting range is -4 to 5 plus AR and the default setting is 0. AR means AUTO RANGE and it automatically adjusts horizontal beamwidth according to the range.

6.Select BEAMWIDTH B and set appropriate value. This controls echo beam width by echo processing. The setting range is 0-5, and the higher the setting the greater the horizontal resolution.

7.Select QUIT and press the [MENU] key.

6.Select QUIT and press the [MENU] key.

7.Select QUIT at the top of the menu screen and press the [MENU] key to close all menus.

3-15