7
2
MENU SCREEN
■
Target menu
D
Vector Mode
• True:
Selects the true vector mode.
• Relative: Selects the relative vector mode.
D
Vector time
Sets the vector length (time) to 30 seconds, 1 minute,
3 minutes, 6 minutes, 15 minutes, or 30 minutes.
D
Track Interval
The track data is updated at this specified tracking in-
terval. Select the track interval from 15 seconds, 30
seconds, or between 1 and 15 minutes.
After 5 dots are displayed, the oldest dot disappears at
the time when the next dot is displayed.
D
CPA* Limit
Sets the CPA
(Closest Point of Approach) limit to be-
tween 0.1 and 12.0 NM in 0.1 NM steps.
D
TCPA* Limit
Sets the TCPA (Time to CPA) limit time to 30 seconds,
between 1 and 6 minutes, or 12 minutes.
* CPA/TCPA: Closest Point of Approach and Time to
Closest Point of Approach limits are set to give a
warning when a target or targets enter those limits
around your own vessel.
D
CPA/TCPA Alarm
Sets whether or not to sound the CPA/TCPA alarm.
A CPA/TCPA alarm sounds when both the CPA and
TCPA reach the limit.
■
ATA menu
D
Function
• OFF: Turns OFF the ATA (Automatic Tracking Aid)
function.
• ON:
Turns ON the ATA function.
D
Track
The plot displays the target’s past positions as 5 dots,
during each specified tracking interval.
You can specify the track interval in the “Track Interval”
item of the Target menu.
• OFF: Turns OFF the Track display function.
• ON:
Turns ON the Track display function.
D
No. Display
Selects the target identification number type that is
displayed at the right side of the mark.
• OFF: Does not display any mark number.
• Select: Displays only the selected mark number.
• All:
Displays all mark numbers.
D
All Clear Target
Releases all of the ATA targets at the same time.
q
Push [ENTER]/[
].
• The dialog box “Sure?” is displayed.
w
Push [ENTER]/[
] again to release all ATA tar-
gets.