JRC JFS-280, Instruction Manual

Page: 59 / 328

2-11 2 Names and Functions of Parts
2
Press and hold the key to end tilt angle tracking. Marks that have been released change to
.
Marks are released if they go off screen.
If you press the
□
mark again during tilt angle tracking, the previous mark is deleted and tilt
angle tracking is released. The new fish school size mark appears at the cursor's current
position. Even if the cursor is in the same position as the previous mark, a mark is displayed in
that position.
In addition, pressing and holding this key removes all the fish school size marks. The fish
school size mark is deleted and the fish school size window closes at the same time when the
display is set to automatic display.
Tracking is released if tilt angle tracking mode is on.
Use the number [7] key, while the menu is open, to do operations.
㉒
[
◇
/8] (school of fish) key
Press this key to display a
◇
mark at the cursor's position.
By placing these marks along the movement of the school of fish, you can display the distance
and direction from your own ship to the last mark, as well as the calculated speed and direction
in which the school of fish is moving. By setting the menus, you can display the directions as
relative, north direction, or re north direction. For details, refer to the Operation settings
and the Screen settings sections.
(A maximum of 10 can be displayed. If you press the
◇
key too many times, the oldest
◇
mark is removed and a new
◇
mark is added.)
Also, pressing and holding this key opens the CNCL menu.
Use the number [8] key, while the menu is open, to do operations.
㉓
[×/9] (event) key
Press this key to display a × mark at the cursor's position.
By setting the event mark to automatic or to display, the event mark appears in the information
displays and the display mode menus, so you can display the direction and distance from your
own ship with the marks from 1 to 5. For details, refer to the Operation settings and the
Information display sections. The newest number is
①
, and after one time the number
①
changes to
②
. (A maximum of 10 can be displayed. If you press the × key too many times, the
oldest × mark is removed and a new × mark is added.)
If you place the cursor on an × mark and click it, that mark disappears.
Also, pressing and holding this key opens the CNCL menu.
Use the number [9] key, while the menu is open, to do operations.
㉔
[OFF CENT/0] key
Press this key to switch between center and off center.
Press the [OFF CENT] key again to switch from off center to center.