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6
rSOUNDER MODEq SETTING OF INTERFERENCE REJECTION
(6) Setting of Interference
Rejection
The system has an interference rejection function that removes inductive
interference derived by a generator on the ship or noise disturbance caused
by a fishfinder of other ships. (Default; ON)
To activate the interference rejection function, proceed as follow.
q Press the [MENU] key.
The Main Menu screen will appear.
w Select “Sounder Menu” using the [UP] or [DOWN] key and press the [SET] key.
The Sounder Menu screen will appear.
e Select “I.R” using the [UP] or [DOWN] key and press the [SET] key.
The selected item turns blue.
r Select “ON” using the [LEFT] or [RIGHT] key and press the [SET] key.
The setting is now saved.
t When you finish setting, press the [MENU] key to close the Main Menu screen.
SOUNDER MENU
DSP SPEED
STC
FT
43.4
I.R
N.R
STOP
CLR SET
SEL
SETCANC
FREQUENCY
GPS 48°21.417N 125°26.643W
20
40
60
80
0
100
The system has an noise reduction function that suppresses noises caused
by contamination of seawater or other sources. These noises may appear as
blue or green dots on fishfinder screens. (Default; OFF)
To suppress the noises and make the image legible, proceed as follows.
q Press the [MENU] key.
The Main Menu screen will appear.
w Select “Sounder Menu” using the [UP] or [DOWN] key and press the [SET] key.
The Sounder Menu screen will appear.
e Select “N.R” using the [UP] or [DOWN] key and press the [SET] key.
The selected item turns blue.
r Move to the noise reduction level by using the [LEFT] or [RIGHT] key.
t Select the desired level (“1” to “4”) using the [UP] or [DOWN] key and press the
[SET] key.
The selection is now saved.
*Level “1” minimizes noise suppression and Level “4” maximizes it.
* If you select “OFF”, the noise reduction function is not used.
y When you finish setting, press the [MENU] key to close the Main Menu screen.
(7) Setting of Noise Reduction
Noise disturbance caused
by other fishfinder
Inductive interference caused
by a generator on the ship Anti-interference ON
H
4
H
H
FT
43.5
315° 10
.
2KT 58°F
FT
43.5
FT
43.5
315° 10
.
2KT 58°F
315°
10
.
2KT 58°F
GPS 48°21.417N 125°26.643W
20
40
60
80
0
100
20
40
60
80
0
100
20
40
60
80
0
100
GPS 48°21.417N 125°26.643W
GPS 48°21.417N 125°26.643W
SOUNDER MENU
DSP SPEED
STC
FT
43.4
FREQUENCY
I.R
N.R
STOP
CLR
SET
SET
CANC
ADJ
SEL
GPS 48°21.417N 125°26.643W
20
40
60
80
0
100