Furuno GP-90 Operator's Manual page 29

Registering waypoints by MOB
position/event position
The MOB position or an event position can
be registered as a waypoint. Event marks
are numbered from 01 to 99; 01 is the latest
event mark.
Note: You cannot register a MOB position
or event position when there are no
MOB positions or event positions
saved. The buzzer sounds and the
message shown in Figure 4-7
appears for three seconds to alert
you.
No MOB/event data in memory
Figure 4-7
1) Press the [WPT/RTE] key.
2) Press [2] to select MOB/Event Position.
The display shown in Figure 4-8 appears.
[MOB] Displaying MOB data
34° 12.345' N 130° 23.456' E
AUG 12' 94 19 : 25U
[#01] Displaying event data
34° 12.345' N 130° 23.456' E :Recall
ENT:Enter
AUG 12' 95 19 : 25U MENU:Escape
: Paging
ENT: Enter
Figure 4-8
3) Press or to display the MOB
position or event position to register as a
waypoint.
4) Press the [NU/CU ENT] key.
5) Follow steps 5 through 11 in "Registering
waypoints by the cursor" on page 4-1.
MENU: Escape
4. NAVIGATION PLANNING
Registering waypoints by own ship's
position
Note: When there is no position data, you
cannot register a waypoint at own ship's
position. The buzzer sounds and the
following message appears.
No position data
Figure 4-9
1) Press the [WPT/RTE] key.
2) Press [3] to select Own Ship Position.
3) Follow steps 5 through 11 in "Registering
waypoints by the cursor" on page 4-1.
Registering waypoints using range
and bearing from a position
This method is useful for entering a waypoint
using range and bearing from a
pre-registered waypoint.
Range and bearing to a position are
calculated according to the sailing method
(rhumb line or great circle) chosen on the
PLOTTER SETUP menu. You may choose
the unit of range on the UNIT SETUP menu.
1) Press the [WPT/RTE] key.
2) Press the [4] key to display the R/B to
Position display.
R/B to Position
1. Cursor
From Waypoint No. _ _ _
_ _ °_ _. _ _ _ 'N _ _ _° _ _ _. _ _ _'W
Range 0000.000nm
Bearing 000.00°
: Cursor
ENT: Calculation
R/B to Position display
3) Enter waypoint (000-999) from which to
reference range and bearing. (000 is own
ship position.)
MENU: Escape
: N/S, E/W
4-3