Furuno FSV-84 SONAR User Manual


 
3. VERTICAL MODE
3-15
3.10 Adjusting 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
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...
2
nd
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 QUIT
OTHERS menu
4. Select BEAMWIDTH and press the [MENU] key.
MENU QUIT
QUIT
OTHERS
V-SCAN SETTING
QUIT
QUIT
BEAMWIDTH
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.