ICOM FP-561 User Manual

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10
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PLOTTER MODE
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CORRECTION OF SHIP POSITIONING ERROR
(10)-1 Correcting a ship
positioning error
(10)-2 Correction using the
cross hair cursor
(10)-3 Correction with
latitude/longitude entry
If the current ship position on screen differs from that on the nautical chart
in latitude and/or longitude, you can correct such a ship positioning error
with ease.
There are two ways for positioning error correction: one using the cross hair cursor
and the other with latitude/longitude entry.
q
On the coastline screen, press the [UP]/[DOWN] or [LEFT]/[RIGHT] key to acti-
vate the cross hair cursor.
w
On the coastline screen, use the [UP]/[DOWN] or [LEFT]/[RIGHT] key to move
the cross hair cursor until its centerline coincides with the correct ship position.
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Press the [MENU] key.
The Main Menu screen will appear.
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Select  “Positioning Menu” using the [UP] or [DOWN] key and press the [SET]
key.
The Positioning Menu screen will appear.
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Select  “POS CORR” (Position Correction) using the [UP] or [DOWN] key and
press the [SET] key.
“GOTOCURSOR” (Goto Cursor Position) is highlighted in yellow.
y
Press the [SET] key.
The latitude/longitude readings of the system will be corrected so that they cor-
respond to the current cursor position.
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When you finish correction, press the [MENU] key.
You will return to the previous screen.
In this way of correction, the latitude/longitude of the current ship position
can be corrected by up to 9.999 minutes in 0.001-minute increments.
Orientation in latitude or longitude can also be changed from N (North) to S (South)
or E (East) to W (West), and vice versa.
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Press the [MENU] key.
The Main Menu screen will appear.
w
Select  “Positioning Menu” using the [UP] or [DOWN] key and press the [SET]
key.
The Positioning Menu will appear.
e
Select  “POS CORR” (Position Correction) using the [UP] or [DOWN] key and
press the [SET] key.
“GOTOCURSOR” (Goto Cursor Position) is highlighted in yellow.
* When you want to change the longitude, proceed with step 
u
.
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Select “LAT” (Latitude) using the [UP] or [DOWN] key and press the [SET] key.
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Move to the latitude setting field using the [LEFT] or [RIGHT] key.
This field will be highlighted in yellow.
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Set orientation to N or S and enter the desired correction value in the field using
the [UP] or [DOWN] key; then press the [SET] key.
u
Select  “LON” (Longitude) using the [UP] or [DOWN] key and press the [SET]
key.
i
Move to the longitude setting field using the [LEFT] or [RIGHT] key.
This field will be highlighted in yellow.
o
Set orientation to E or W and enter the desired correction value in the field using
the [UP] or [DOWN] key; then press the [SET] key.
The current ship position will be corrected 
!0
When you finish correction, press the [MENU] key.
You will return to the previous screen.
GPS  NMEA
GOTOCURSOR
LAT N0.000
LON E0.000
 1   OFF
  POSITIONING MENU
POS EQUIP
POS CORR
AVERAGING
DGPS#
POSITIONING INFO#
80.0FT
GPS   34゚ 18. 000N  135゚ 01. 000E
5
CLR
SET
SET
CANC
H
0
10
20
30
40
ADJ
SEL
GPS  NMEA
GOTOCURSOR
LAT 
N0.00
1
LON E0.000
 1   OFF
  POSITIONING MENU
POS EQUIP
POS CORR
AVERAGING
DGPS#
POSITIONING INFO#
80.0FT
GPS   34゚ 18. 000N  135゚ 01. 000E
5
CLR
SET
SET
CANC
H
0
10
20
30
40
ADJ
SEL