Operation
40
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Rejecting Particular Colors (COLOR REJ.)
You can reject particular colors regardless of the gain, clutter, and STC
settings. Using this function, you can reject colors that represent weak
signals to suppress noise or unwanted fish school views from the screen.
To reject particular colors, follow these steps:
1.
Press the
and
keys at the same time to call up the
fishfinding menu.
2.
Since the cursor is already at “1.COLOR REJ.,” press the
MARK
key to
call up a submenu.
If the cursor is at any position other than “1.COLOR REJ.,” use
the
or
key to move to “1.COLOR REJ.” and press the
MARK
key.
3.
Press the
or
key to move the frame on the color sample to
the color (echo level) to reject.
4.
Press the
key to suppress or hide the display of that color.
To resume or enable the display of a color, move the frame to the
color and press the
key.
5.
To reject more colors, repeat steps
3
and
4
.
6.
Press the
MARK
key to return to the fishfinding menu.
7.
Press the
GRAPH
key to return to the fishfinding display.
Do not change display modes while a color rejection procedure is
in progress. The boundary on the color sample could be hidden.
If the boundary overlaps the cursor, the cursor (line) on the color
sample would be hidden.
If the rejection of the eighth color from the bottom of the color
sample is specified, the time mark would be hidden as well.
If the rejection of the sixth color from the bottom of the color
sample is specified, the event mark would be hidden as well.
1.COLOR REJ.
≫
2.WHITE LINE ≫ LO FRQ OFF HI FRQ OFF
3.ADJUST FREQ. ≫ LO FRQ 50.0 HI FRQ 200.0
4.TX PULSE WIDTH LONG SHORT
5.TX CYCLE MODE SYNC. ASYNC.
▲ 6.ADJUST TX CYCLE 0
▼ 7.ＰＤＣ HI FRQ Ａ Ｂ Ｃ Ｄ
LO FRQ Ａ Ｂ Ｃ Ｄ
8.ADC MODE BLU 1 2 3 4 5 STD 7 8 RED
9.STC MODE 50 100 150 200 (m)
10.EXT INPUT DISP OFF DISP ON
11.SIG.PROCESS OFF 1 2
12.SCROLL STEP 1 2 3
GRAPH
:
RETURN TO F/F
MARK
:
GOTO SUB MENU≫
Fishfinding Menu
1.COLOR REJECTION
COLOR REJECTION
▲
SELECT LEVEL
▼
DISP.ON/OFF
MARK
:
RETURN TO F/F MENU
COLOR REJECTION Submenu
