Rejecting Particular Colors (Color Rej.) - JRC JFC-130 Instruction Manual

< 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
fishfinding menu.
2.
Since the cursor is already at "1.COLOR REJ.," press the
call up a submenu.
If the cursor is at any position other than "1.COLOR REJ.," use
the
key.
MARK
3.
Press the or
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
5. To reject more colors, repeat steps 3 and 4 .
6.
key to return to the fishfinding menu.
Press the MARK
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.
40
Operation
and keys at the same time to call up the
or key to move to "1.COLOR REJ." and press the
key to move the frame on the color sample to
key.
1.COLOR REJ.
2.WHITE LINE
3.ADJUST FREQ.
MARK key to
4.TX PULSE WIDTH
5.TX CYCLE MODE
▲ 6.ADJUST TX CYCLE
▼ 7.ＰＤＣ HI FRQ
LO FRQ
8.ADC MODE
9.STC MODE
10.EXT INPUT
11.SIG.PROCESS
12.SCROLL STEP
GRAPH : RETURN TO F/F
MARK : GOTO SUB MENU≫
Fishfinding Menu
COLOR REJECTION
▲
SELECT LEVEL
▼
DISP.ON/OFF
MARK : RETURN TO F/F MENU
COLOR REJECTION Submenu
≫
≫ LO FRQ OFF HI FRQ OFF
≫ LO FRQ 50.0 HI FRQ 200.0
LONG SHORT
SYNC. ASYNC.
0
Ａ Ｂ Ｃ Ｄ
Ａ Ｂ Ｃ Ｄ
BLU 1 2 3 4 5 STD 7 8 RED
50 100 150 200 (m)
DISP OFF DISP ON
OFF 1 2
1 2 3
1.COLOR REJECTION