Icom MR-1220 Instruction Manual - Page 44

Target, ARPA, AIS, CPA/TCPA Alarm Function

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8 MENU SCREEN Menu items ■■Target Vector Mode Setting Selects the vector (speed and bearing) reference of the target. •• True: Displays the vector of your vessel and the AIS/ARPA targets in true motion. •• Relative: D isplays the vector of the AIS/ARPA targets in relative motion. Your own vessel is not displayed. Vector Time Sets the vector time of your vessel and AIS/ARPA targets to 30 seconds, 1 minute, 3 minutes, 6 minutes, 15 minutes, or 30 minutes. Track Interval Sets the interval for reloading the track of your own vessel and AIS/ARPA targets to 15 sec, 30 sec, or 1 ~15 minutes in 1 minute steps. CPA Limit Sets the Closest Point of Approach (CPA) limit by distance. Range: 0 .1 ~ 12. 0 (NM), 0.2 ~ 22.2 (km), or 0.1 ~ 13.8 (SM). LLThe distance unit varies, depending on the "Unit (Distance)" setting in the Initial menu. LLThe settable range differs, depending on the scanner unit type. TCPA Limit Sets the Time to Closest Point of Approach (CPA) limit to 30 seconds, 1, 2, 3, 4, 5, 6, or 12 minutes. TIP: CPA and TCPA are set to give a warning when a target or targets enter those limits around your own vessel. CPA/TCPA Alarm Function Sets whether or not to sound an alarm when a target enters CPA and TCPA limits. Display Favorite Target Sets whether or not to alert when a target enters the set range in the "Range (Favorite Target)" below. Range (Favorite Target) Sets the range of the distance at which notice when a vessel listed in your Favorite Target List enters Displays all range from your vessel. •• 0.1 ~ 36.0 (NM), 0.2 ~ 66.7 (km), or 0.1 ~ 41.4 (SM): Sets the distance from your vessel by 0.1 steps. LLThe distance unit varies, depending on the "Unit (Distance)" setting in the Initial menu. LLThe settable range differs, depending on the scanner unit type. 39 Favorite Target List You can enter up to 10 of Favorite targets. ID Blocking Function Set whether or not to individually exclude the targets that are set in the "Blocking Target List" below from sounding an AIS or CPA/TCPA collision alarm. Blocking Target List You can enter up to 10 of Blocking targets. ■■ARPA See the Simplified ARPA operation section (pp. 29 ~ 32). ■■AIS See the AIS operation section (pp.23 ~ 28).

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39
8
MENU SCREEN
Menu items
■
Target
Vector Mode Setting
Selects the vector (speed and bearing) reference of
the target.
•
True:
Displays the vector of your vessel and the
AIS/ARPA targets in true motion.
•
Relative:
Displays the vector of the AIS/ARPA
targets in relative motion. Your own vessel
is not displayed.
Vector Time
Sets the vector time of your vessel and AIS/ARPA
targets to 30 seconds, 1 minute, 3 minutes, 6 minutes,
15 minutes, or 30 minutes.
Track Interval
Sets the interval for reloading the track of your own
vessel and AIS/ARPA targets to 15 sec, 30 sec, or 1
~15 minutes in 1 minute steps.
CPA Limit
Sets the Closest Point of Approach (CPA) limit by
distance.
Range: 0.1 ~ 12. 0 (NM), 0.2 ~ 22.2 (km), or 0.1 ~
13.8 (SM).
L
The distance unit varies, depending on the “Unit
(Distance)” setting in the Initial menu.
L
The settable range differs, depending on the scanner unit
type.
TCPA Limit
Sets the Time to Closest Point of Approach (CPA) limit
to 30 seconds, 1, 2, 3, 4, 5, 6, or 12 minutes.
TIP:
CPA and TCPA are set to give a warning when
a target or targets enter those limits around your own
vessel.
CPA/TCPA Alarm Function
Sets whether or not to sound an alarm when a target
enters CPA and TCPA limits.
Display Favorite Target
Sets whether or not to alert when a target enters the
set range in the “Range (Favorite Target)” below.
Range (Favorite Target)
Sets the range of the distance at which notice when a
vessel listed in your Favorite Target List enters.
•
∞:
Displays all range from your vessel.
•
0.1 ~ 36.0 (NM), 0.2 ~ 66.7 (km), or 0.1 ~ 41.4 (SM)
:
Sets the distance from your vessel by 0.1 steps.
L
The distance unit varies, depending on the “Unit
(Distance)” setting in the Initial menu.
L
The settable range differs, depending on the scanner unit
type.
Favorite Target List
You can enter up to 10 of Favorite targets.
ID Blocking Function
Set whether or not to individually exclude the targets
that are set in the “Blocking Target List” below from
sounding an AIS or CPA/TCPA collision alarm.
Blocking Target List
You can enter up to 10 of Blocking targets.
■
ARPA
See the Simplified ARPA operation section (pp. 29
~ 32).
■
AIS
See the AIS operation section (pp.23 ~ 28).