Furuno GD-280, Operator'S Manual

Page: 183 / 280

11-19
11.8.2 Setting a target alarm zone
1. Press [MENU], [9], [3], [2] to open the Target Alarm menu.
2. Press
[←]
or
[→]
to select No.1 or No.2.
3. Press
[↓]
to select Area 1 Mode or Area 2 Mode depending on selection made at step 2.
4. Press
[←]
or
[→]
to select In or Out as appropriate.
5. Press the [MENU] key several times to close the menu.
6. Using the illustration at the top of the next page as an example, use the +cursor to place the
trackball at point A (or B).
7. Press the [TGT ALARM] key. TA1 SET or (TA2 SET) appears at the right side of the screen.
8. Drag the +cursor to point C (or D).
9. Press the [TGT ALARM] key. TA1(2) IN (or TA1(2) OUT) replaces TA1 SET or (TA2 SET) at
the right side of the screen.
Note 1: If you wish to create a target alarm zone having a 360-degree coverage around own ship,
set point "B" in almost the same direction (approx. ±3
°
) as point "A".
Note 2: If you change the range scale to less than half of the target alarm zone, the warning
TA1(2) INVALID appears instead of TA1(2) IN (or TA1(2) OUT).
[TARGET ALARM]

Area Select No.1 No.2
Area 1 Mode In Out
Area 2 Mode In Out

↑↓←→
: Select & Set.
MENU : Back to Main Menu. HL-OFF: Menu off temporarily.