Bottom Discrimination Display Mode; Changing The Expanded Display Area（Btm/Vrm Exp.area - JRC JFC-130 Instruction Manual

< Bottom discrimination display mode
Generally speaking, the sweep width varies as shown below depending on
the Bottom discrimination.
Type of bottom material
Rock
Gravel
Sand
Mud
Thus, the variations of bottom discrimination can be found from the
variations of bottom tail width on a sea bottom image.
In the bottom discrimination display mode, by displaying the image of
bottom tail portion of the sea bottom just below the ordinary sea bottom
enlarged view, the variations of bottom tail width can be seen more clearly
than those on conventional echo sounders.
To select bottom discrimination display mode, set split display mode to
or and set [MODE] switch to "BTM"
< Changing the Expanded Display Area（BTM/VRM EXP.AREA）
In the VRM EXPAND or BOTTOM LOCK EXPAND mode, you can
change the area of expanded display.
To change the area of expanded display, follow these steps:
1.
Press the and
menu.
2.
Using the or
MARK key.
3.
Press the or
4.
Press the or
modes.
1/3: Display an expanded display in an area from the bottom of the
screen to one third.
1/2: Display an expanded display in the lower half of the screen.
ALL: Display an expanded display across the entire screen.
"ALL" can be set only in the BOTTOM LOCK EXPAND mode.
If the VRM EXPAND mode is selected when "ALL" has been set,
an expanded display will appear in the lower half of the screen.
In the BOTTOM LOCK EXPAND mode, one half of the bottom
of the screen appears expanded, regardless of the menu setting.
5.
Press the MARK key to return to the main menu.
6.
Press the GRAPH key to return to the fishfinding display.
30
Operation
Tail width BH
Long 8.0
á
á
Short 1.0
keys at the same time to call up the main
key, move to "9.DISPALY" and press the
key to move to "9.BTM/VRM EXP.AREA."
key to move to any one of the three split
1.PRESET STD RANGE ≫ １ ２ ３
10 20 30
６ ７
RANGE 60 80 100 150 200
１１ １２ １３ １４ １５
250 300 400 500 800
STEP 10
▲ 2.BTM EXP.RANGE ≫ 2 3 4
▼ 3.B.DISCRIM RANGE ≫ 10 20 30
4.VRM EXP.RANGE ≫ 5 10 15
5.STD RANGE MODE PRESET STEP AUTO
6.BACK COLOR NORMAL 1 2
7.COLOR MODE NORMAL 1 2
8.USER COLOR ≫
9.DISPLAY ≫
10.SET GRAPH ≫ DEPTH/ DEPTH/
TEMP BH
11.UNIT ≫
GRAPH : RETURN TO F/F
MARK : GOTO SUB MENU
Main Menu 9. DISPLAY
DISPLAY
1.TEMP.POSITON DISP OFF
2.INTERFERENCE OFF 1 2 AUTO
3.SCALE POSITION DISP OFF
4.FINE SCALE AUTO 1 2 5 10 20 50 100
▲ 5.VRM DISP OFF DISP ON
▼ 6.COLOR SAMP. DISP OFF DISP ON
7.DEPTH POSITION DISP OFF
8.SPLIT DISP.MODE
9.BTM/VRM EXP.AREA １／３ １／２ ALL
10.A-SCP MODE ＬＯＧ LINEAR
MARK : RETURN TO MENU
DISPLAY 8.SPLIT DISP.MODE
DISPLAY
1.TEMP.POSITON DISP OFF
2.INTERFERENCE OFF 1 2 AUTO
3.SCALE POSITION DISP OFF
4.FINE SCALE AUTO 1 2 5 10 20 50 100
▲ 5.VRM DISP OFF DISP ON
▼ 6.COLOR SAMP. DISP OFF DISP ON
7.DEPTH POSITION DISP OFF
8.SPLIT DISP.MODE
9.BTM/VRM EXP.AREA １／３ １／２ ALL
10.A-SCP MODE ＬＯＧ LINEAR
MARK : RETURN TO MENU
DISPLAY 9.BTM/VRM EXP.AREA
４ ５
40 50
８ ９ １０
5 10
40 50
20 50
3
3