Icom MR-570R [26/49] Epa electronic plotting aid

Icom MR-570R [26/49] Epa electronic plotting aid
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EPA (Electronic Plotting Aid)
EPA (Electronic Plotting Aid)
The EPA (Electronic Plotting Aid) for manual plotting is interfaced for small ships tted with a gyrocompass, speed
and distance measuring equipment.
EPA (Electronic Plotting Aid), will in order to improve the standard of collision avoidance at sea, reduce the workload
of the crew by enabling them to obtain information about plotted targets, as well as they could by manually plotting
a single target themselves.
Max. 10 targets can be plotted on the screen.
Plot positions shall be identied by an approved symbol mark (p. 22) and associated plot number.
The vector origin will move across the screen at a rate and direction dened by the calculated true or relative
course and speed.
The vector will be displayed on the target.
External data is required for screen display information. (p.38).
EPA menu setting
Set the EPA menu items before using the EPA func-
tion.
q Push [MENU] several times to turn the EPA menu
ON.
w Push [LEFT] to turn the EPA function ON
e Push [ ] to select “VECT”; push
[ ]/[ ] to select
the vector type.
TRUE (True vector):
The predicted true motion of a target as the result of
your own ships direction and speed input.
REL (Relative vector):
The predicted movement of a target relative to your own
ship.
r Push [DOWN] to select No. DISP to select the tar-
get identication number type which appears at the
right side of the mark. Push [ ]/[ ]to select the ap-
propriate type.
OFF: No number appears.
SEL: Number appears by the selected mark only.
ALL: All numbers appear by the marks.
t Push [DOWN] to select ALARM; push [ ]/[ ] to
turn the alarm function ON or OFF.
EPAalarm is emitted when both CPA and TCPA reaches
the limit.
y Push [ ]
to select the CPA* LIMIT; push
[ ]/[ ]
to set the CPA limit distance.
u Push [ ]
to select the TCPA* LIMIT, push
[ ]/[ ]
to set the TCPA limit time.
*CPA/TCPA: Closest Point of Approach and Time to
Closest Point of Approach limit is dened by the ob-
server to a given warning when a target or targets are
close to within those limits from your own ship.
i Push [MENU] to exit the EPA menu.
EPA
VECT
No.DISP
ALARM
CPA LIMIT
TCPA LIMIT
INT.SETTING
EPA MENU
OFF ON
TRUE REL
OFF SEL ALL
OFF ON
1.0NM
10MIN

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