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14
1.20 The Navigation Data
Display
Navigation data can be displayed at the
screen bottom if the unit receives naviga-
tion input in NMEA 0183 format. Naviga-
tion data include
• position in latitude and longitude or Lo-
ran-C time differences (TDs)
• bearing and range to a waypoint selected
on the navigator
• cross track error (XTE—the amount in
nautical miles and the direction the ves-
sel if off course)
• depth
• speed.
If the navigation data include the destina-
tion data, waypoint position is denoted on
the screen by a dashed ring.
1.5
NM
0.5
HDG 326.8°
66° 04. 00N
166° 04. 00E
VRM EBL + CURSOR
0.675
NM
240.1°
R
0.646
NM
308.7°
R
DEPTH XTE SPD
350.0m 0.05NML 30.0KT
WAYPOINT POSI L/L
12.0
NM
45.0°
M
AUTO
Figure 1-17 Sample nav data display
Setting up the nav data display
1) Press the [MENU] key.
2) Select Nav Data and press the [ENT] key.
NAV DATA MENU
Select item and option
by ▲▼ keys.
1. Navigator
2. Nav Data Disp
3. Pos Disp Mode
4. Depth Unit
5. Temp Unit
6. STBY Display
. . . . . . . . . . . . . . . . .
Press HM-OFF to temporarily
hide menu.
<Press MENU for main menu.>
ALL GPS LC
OFF ON
L/L TD
M FA FT
°C °F
NORM NAV
Figure 1-18 Nav data menu
3) Select Navigator; GPS, Loran C or ALL
(Select all if several navigators are con-
nected to the unit. In this case, position
data is selected in order of GPS, Loran C
and other.)
4) Select Nav Data Disp to OFF or ON.
5) Select Pos Disp Mode to L/L (latitude and
longitude or TD (Loran C).
6) Select unit of depth measurement to
meters, fathoms, or feet.
7) Select unit of measurement for water tem-
perature to Centigrade or Fahrenheit.
8) Select whether to display nav data or "ST-
BY". "NORM" for stand-by; NAV for
navigation data.
9) Press the [ENT] key followed by the
[MENU] key.
1.21 Echo Stretch (magnifying
long range echoes)
Normally, the reflected echoes from long
range targets appear on the display as weaker
and smaller blips even though they are com-
pensated by the internal circuitry. To stretch
long range echoes, in the range direction,
turn on the echo stretch function.