Reference Settings - Icom MR-1220 Series Instruction Manual

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.
BASIC OPERATION
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