Furuno FSV-2S, Operator'S Manual

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2. HORIZONTAL MODE
2-15
2.9.3 Interference rejector
The interference rejector suppresses randomly appearing noise, sea surface reflec-
tions, and interference from other acoustic sounding equipment. Set it so that noise is
just eliminated. Do not use an unnecessarily high setting since it may also reject small,
wanted echoes.
1. Press the MENU/ESC key to show the main menu.
2. Click [Picture Setting].
3. Press the
H/V/S key to select the [H1]
or [H2] tab.
4. Click [Int Reject] or [Int Reject (ES)].
• [Int Reject]: Use this item to sup-
press sea surface reflections, and
sea surface reflections.
• [Int Reject (ES)]: Use this item to
suppress interference from other
acoustic sounding equipment.
5. Click S or T to change the setting.
• [Int Reject]: The setting range is 0 to 3. The degree of rejection in ascending
strength is 2, 1, 3. “0” disables the interference rejector.
• [Int Reject (ES)]: Use this item to suppress interference from other acoustic
sounding equipment. The degree of rejection in ascending strength is 1, 2, 3.
“0” disables the interference rejector.
6. Click [Quit] on the setting box to close the box.
7. Long-push the
MENU/ESC key to close all menus.
2.9.4 Shift TX frequency
If the interference cannot be suppressed by the interference rejector or change in TX
interval, change the TX frequency from the [Freq Shift] menu.
1. Press the MENU/ESC key to show the main menu.
2. Click [TX/RX Setting].
3. Press the
H/V/S key to select the [H1] or [H2] tab.
4. Click [Freq Shift].
5. Click
S or T to change the setting. The setting range is -20 to 20.
6. Click [Quit] on the setting box to close the box.
7. Long-push the
MENU/ESC key to close all menus.
Picture Setting Quit
H2 P1
Echo Average : 3
Int Reject : 2
Int Reject (ES) : 2
Smooth Echo RNG : 2
Smooth Echo CIR : 0
2nd Echo Rej. : 0
V P1
H1 P1