4.Activating, Deactivating the ATA
The ATA is activated/deactivated through the menu. Acquired targets are tracked internally when the ATA is deactivated.
Automatic speed input
1.Press [MENU], [0], [0] to display the OTHER menu.
OTHERS
1.Adjust the A/C RAIN, A/C SEA and GAIN controls for proper radar picture.
2.Press [MENU], [7], [7] to show PLOT MENU 1.
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1. | MARK DISP |
| OFF | ON |
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2. | ERASE |
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3. | VECT REF |
| REL |
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4. | VECT TIME |
| 30S |
| 1 3 | 6 | |
| (min) | 15 |
| 30 |
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5. | CPA SET |
| OFF |
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| 2NM | 3NM | 4NM | ||
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| 5NM | 6NM |
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1.HDG SET
2.SPD MODE
3.MAN SPD
4.SET & DRIFT
5.DISPLAY
6.MARK/LINE
7.TUNE
8.NAV DATA
9.EBL/VRM/+
0.↓
MAN LOG NAV*
LOG
LOG
6. | TCPA SET | 30S | 1 | 2 | 3 |
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| (min) | 4 | 5 | 6 | 12 | 15 | |
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7. | TRACK | OFF | ON |
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8. | AUDIO ALARM | OFF | ON |
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9. | INTVAL |
| 30S | 1 | 2 | 3 | 6 |
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0. | ↓ |
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Figure 3 PLOT MENU 1
3.Press the [1] key to select ON or OFF from the MARK DISP field.
4.Press the [ENTER/SELECT] key.
5.Press the [MENU] key to close the menu.
Note: The ATA plot is automatically turned on whenever the automatic acquisition area or guard ring is activated or a target is se- lected for
5.Entering Own Ship’s Speed
The ATA requires own ship’s speed and head- ing data. Of these, the speed data can be entered automatically from a speed log, navaid or manually through the menu.
Note: It is customary to use a speed relative to water for collision avoidance and a speed over the ground for navigation purpose.
* NAV shown on
Figure 4 OTHER menu
2.Press the [2] key to select a LOG option or NAV from the SPD MODE field.
LOG: Pulse input from speed log
NAV: Speed data from nav equipment
3.Press the [ENTER/SELECT] key.
4.Press the [MENU] key to close the menu.
Notes:
1)IMO Resolution A.823(19) for ARPA rec- ommends that a speed log to be inter- faced with an ARPA should be capable of providing
2)Be sure not to select LOG when a speed log is not connected. If the log signal is not provided, the ship’s speed readout at the screen top will be blank.
3)SPEED xx.x and “SIGNAL MISSING LOG” appear if no log signal is present for 30 seconds.
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