2-1
2. DISPLAY AND TRACK
2.1 Enlarging/Shrinking
the
Display
You may enlarge/shrink the display on the
Plotter 1, Plotter 2 and Highway displays,
with the
ZOOM IN
and
ZOOM OUT
keys. The
horizontal range is available among 0.25, 0.5,
1, 2, 4, 8, 16, 32, 64, 128 and 192 nautical
miles (Plotter 2 and Highway displays). For
the Plotter 1 display the ranges are 0.36, 0.71,
1.42, 2.84, 5.69, 11.38, 22.76, 45.51, 91.02,
182.04 and 273.07 nautical miles.
The
ZOOM IN
key enlarges the display and
the
ZOOM OUT
key shrinks it. Each time a
zoom key is pressed the horizontal range
appears at the center of the display for about
one second.
2.2 Display
Orientation
Display orientation can be selected on the
Plotter 1 and Plotter 2 displays, with the
NU/CU ENT
key. Two display orientations are
available: north-up and course-up.
North-up display
In the north-up display, true north (0°) is at
the top of the display. Own ship moves on the
display in accordance with true speed and
true motion. (“TM” appears at the bottom of
the Plotter 1 and 2 displays.) Land is
stationary.
Course-up display
Destination set
Ship’s course is upward on the screen at the
moment the course-up mode is selected and
the north mark ( ) appears at the left side of
the display.
Destination not set
Ship's heading or course is at the top of the
display. The north mark appears at the left
side of the display.
2.3 The
Cursor
The cursor (+) functions to select location for
a mark; erase marks; measure range and
bearing, etc.
Data and cursor state
Cursor state determines what data are shown
on the display.
Cursor turned on, cursor data
Cursor position is displayed in latitude and
longitude or LOPs (depending on menu
setting) at the top of the display. The range
and bearing from own ship to the cursor
appear at the right hand side of the display,
when in the Plotter 1 display.
234.0˚
BRG
345.0˚
BRG TO +
123.0˚
11.5
RNG TO +
NM
COG
2.0 NM
Cursor mark Cursor position in
latitude and longitude
Cursor
Range from own
ship to cursor
Bearing from own
ship to cursor
34˚ 23.456´ N 135˚ 45.678´ E
TM W84
D3D 100m
* SAFE
Figure 2-1 Data displayed when the
cursor is on
Содержание GP-150-Dual
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