Furuno FR-10, Operator'S Manual

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2. OPERATION
2-9
5. Press the MENU key to close the menu.
Note 1: The display mode is automatically switched to head up if the heading signal
is lost.
Note 2: All modes except head up and stern up require a heading signal in AD-10 for-
mat or NMEA format. If the heading signal is lost, the mode is changed to head up and
the north mark disappears. The display for heading becomes XXX.X and the alarm
sounds. The message "GYRO" (AD-10 format data) or "NMEA_HDG" (NMEA format
data) appears in the alarm message display. To stop the audio alarm, press any key.
When the heading signal is returned, check the heading. The numeric value is dis-
played at the heading indication when the heading signal is returned.
2.8.2 Description of display modes
Head up mode
A display without azimuth stabilization in
which the line that connects the center with
the top of the display indicates your heading.
Targets are shown at their measured dis-
tances and their directions relative to your
heading. The short dotted line on the bearing
scale is the north mark.The echoes move in
real time depending on the change of the
heading of your ship.
Course up mode
The radar picture is stabilized and displayed
with the currently selected course at the top
of the screen. When you change the head-
ing, the heading line moves with the course
selected. If you select a new course, select
the course up mode again to display the new
course at the top of the display.
Targets are shown at their measured dis-
tances and their directions relative to the set
course, which is at the 0-degree position.
The heading line moves according to the yawing and any course change.
North up mode
Targets are shown at their measured distances and
their true (compass) directions from your ship.
North is at the top of the screen. The heading line
changes its direction according to your heading.
Heading line
North mark
Heading line
North mark
Heading line
North mark