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2-12
2.15 Selecting the
Presentation Mode
This radar provides four presentation
modes: head-up, course-up (course-up or
waypoint-up; selectable on menu), north-
up and true motion (requires heading
sensor). Press the [DISP MODE] and [HM
OFF] keys together to select a presentation
mode. Each time the keys are pressed, if
heading signal is input to the radar, the
presentation mode changes in the
sequence of HU, CU (or WU), NU, TM. If
there is no heading signal input to the radar,
the presentation mode is always HU.
Note:
TM does not function on the 48 nm
range.
HU
(head-up)
CU
(course-up)
WPT-UP
(waypoint-up)
NU
(north-up)
TM
(true motion)
Selecting course-up mode for CU
or WPT-UP
You may select WPT-UP instead of CU on
the menu.
CU (course-up)
An azimuth stabilized display in which a
line connecting the center with the top of
the display indicates own ship’s intended
course (namely, own ship’s previous
heading just before this mode has been
selected).
Target pips are painted at their measured
distances and in their directions relative to
the intended course which is maintained at
the 0-degree position while the heading
line moves in accordance with ship’s
yawing and course change. This mode is
useful to avoid smearing of picture during
course change.
WPT-UP (waypoint-up)
An azimuth stabilized display in which the
line connecting the center with the top of
the display indicates the bearing to the
“TO” waypoint, which is selected on the
navigational equipment connected to the
radar. When navigating a route and own
ship enters the arrival zone of a waypoint,
the radar displays the bearing to the next
“TO” waypoint.
Procedure
1. Press the [MENU] key to open the
menu.
2. Press the omnipad at 6 o’clock to
select 2. P/L, IR, NR & Radar Mode.
3. Press the [ENT] key.
4. Press the omnipad at 6 o’clock to
select Radar Mode.
5. Press the omnipad at 3 o’clock/9
o’clock to select the option CU or
WPT-UP as desired.
6. Press the [ENT] key followed by the
[MENU] key.
2.16 Guard Alarm
The guard alarm allows the operator to set
the desired range and bearing for a guard
zone. When ships, islands, landmasses,
etc. enter (or exit, depending on type of
guard zone in use) the guard zone an
audible alarm sounds to call the operator’s
attention. The alarm is very effective as an
anticollision aid when using an autopilot or
navigating in narrow channels.