Furuno FSV-30 Operator's Manual page 43

1. Press the [MENU] key to open the main menu.
2. Select the H-SCAN SETTING with the trackball and press the [MENU] key to
open the H-SCAN SETTING menu.
3. Select TVG-NEAR with the trackball and press the [MENU] key to show the
dialog box.
4. Use the trackball to select
setting range is –5 to 5. The higher the setting the greater the gain.
5. Select QUIT and press the [MENU] key to conclude.
6. Repeat steps 3-5 to set TVG-MEDIUM and TVG-FAR.
When sea surface reflections or plankton layers disturb the picture, decrease
appropriate TVG option by one or two steps.
7. Select QUIT at the top of the menu screen and press the [MENU] key to
close all menus.
MENU
H-SCAN SETTING
TX INTERVAL : 9
TX PULSE LENGTH : 9
TX POWER : 9
TVG-NEAR : 0
TVG-MEDIUM : 0
TVG-FAR : 0
NOISE LIMITER : 2
REVERBERATION : 0
AGC : 0
2ND AGC : 0
NEAR AGC : 0
ECHO AVERAGE : 0
INT REJECT : 0
BOTTOM SUPPRESS : 0
FREQ SHIFT : 0
FREQ/BEARING SET : 16
OTHERS...
H-SCAN SETTING menu
QUIT
CANCEL
Numeric data entry dialog box
or and press the [MENU] key to set. The
2. HORIZONTAL MODE
QUIT
QUIT
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