Icom MR-1220 Instruction Manual - Page 15

Reference settings, Setting the Bearing input

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Basic operation 2 Reference settings The radar can accept the bearing input data from NMEA, N+1, AUX, or COG data format. According to the bearing source, you can set the bearing type in the Initial menu screen. DDSetting the Bearing input 1. Select "Bearing Type" in the Initial menu screen, and then push [ENTER]/[ ]. [MENU]/[ ] > Initial > Bearing Input 2. Select the Bearing data source, and then push [ENTER NMEA: NMEA0183 bearing data format. •• N+1: N+1 data format. •• AUX: Other format. •• GPS: Reads NMEA0183 COG format data as HDG format. (The course may not match with other HDG format and include errors.) LLWhen a vessel's speed is less than 2 knots, the direction information is not displayed until the speed increases to more than 3 knots. •• GPS-L: Reads NMEA0183 COG format data as HDG format. (The course may not match with other HDG format and include errors.) LLWhen a vessel's speed is less than 2 knots, the direction information is fixed. The display changes only when the vessel's speed increases to more than 3 knots. LLThis is in addition to the GPS option to display the cursor latitude and longitude when the vessel's speed is less than 3 knots. NOTE: If this item is set to "GPS" or "GPS-L," COG (Course Over the Ground) data is used as the bearing. However, If the vessel's speed is less than 3 knots, direction accuracy falls. Moreover, the position accuracy or the current actual course may vary, and therefore display an incorrect direction. 3. Push [MENU]/[ ] to exit the Menu screen. DDSetting the Bearing type 1 1. Select "Bearing Type" in the System menu screen, and then push [ENTER]/[ ]. 2 [MENU]/[ ] > System > Bearing Type 3 2. Select "True" or "Magnetic" then push [ENTER]/ [ ]. 4 3. Push [MENU]/[ ] to exit the Menu screen. 5 The bearing type is displayed at the top center of the screen. 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 10

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10
BASIC OPERATION
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Reference settings
The radar can accept the bearing input data from
NMEA, N+1, AUX, or COG data format. According to
the bearing source, you can set the bearing type in
the Initial menu screen.
D
Setting the Bearing input
1.
Select “Bearing Type” in the Initial menu screen,
and then push [ENTER]/[
].
[MENU]/[
] > Initial >
Bearing Input
2.
Select the Bearing data source, and then push
[ENTER]/[
].
• NMEA:
NMEA0183 bearing data format.
• N+1:
N+1 data format.
• AUX:
Other format.
• GPS:
Reads NMEA0183 COG format data
as HDG format. (The course may not
match with other HDG format and
include errors.)
L
When a vessel’s speed is less than 2
knots, the direction information is not
displayed until the speed increases to
more than 3 knots.
• GPS-L:
Reads NMEA0183 COG format data
as HDG format. (The course may not
match with other HDG format and
include errors.)
L
When a vessel’s speed is less than 2
knots, the direction information is fixed.
The display changes only when the
vessel’s speed increases to more than
3 knots.
L
This is in addition to the GPS option to
display the cursor latitude and longitude
when the vessel’s speed is less than 3
knots.
NOTE:
If this item is set to “GPS” or “GPS-L,” COG
(Course Over the Ground) data is used as the
bearing.
However, If the vessel’s speed is less than 3 knots,
direction accuracy falls. Moreover, the position
accuracy or the current actual course may vary, and
therefore display an incorrect direction.
3. Push [MENU]/[
] to exit the Menu screen.
D
Setting the Bearing type
1.
Select “Bearing Type” in the System menu screen,
and then push [ENTER]/[
].
[MENU]/[
] > System >
Bearing Type
2.
Select “True” or “Magnetic” then push [ENTER]/
[
].
3. Push [MENU]/[
] to exit the Menu screen.
The bearing type is displayed at the top center of the
screen.