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2. RADAR OPERATION
2-8
2.9 Presentation Mode
This unit provides four radar presentation modes: head-up, course-up, north-up
and true motion.
Heading input is required for modes other than head-up.
2.9.1 Selecting a presentation mode
1. If not displayed, press the [HIDE/SHOW] key to show the radar soft keys.
2. Press the RADAR DISPLY soft key to show the RADAR DISPLAY soft keys.
RADAR
DISPLAY
+
SHIFT
HL
OFF
RETURN
MODE
HD UP
RINGS
MED /OFF
.250/ 319.9
°
M
.125nm
SP
H-UP
359.9
°
R
0.277nm
Radar display soft keys
3. Press the MODE soft key. Each pressing of the key changes the presentation
mode and the presentation mode indication in the sequence of North-up,
True Motion, Head-up, and Course-up.
4. Press the RETURN soft key to finish.
Note: When heading data is lost, the presentation mode automatically goes to
head-up, the heading indication at the screen top shows “- - -.-°” and the
audio alarm sounds. Press the [ALARM] key to acknowledge the alarm.
The message “HEADING DATA MISSING” appears. Restore compass
signal to show heading indication. Use the MODE soft key to select
presentation mode if necessary. The audio alarm may be silenced with the
[CLEAR] key.