Raymarine GPS navigation User Manual download pdf (Page 31)

then go ahead and press thelENTER(key. The memory will be updated, and

the screen returns back to the last

POS,

NAV

, CDI,

PLOT

display.

One caution on saving Events. For maximum accuracy, it’s best to be sitting

next to the desired location and let the readouts settle down for a few seconds

before pressing

themjkey.

If you are flying by a buoy at high speed,

the readouts will be displaying a position lagging behind the boat a short

distance. The faster you are moving, the greater the lag error will be.

Each time you store an event, the coordinates can be remembered as either

a loran, GPS, or DGPS position. Since there will be absolute position

differences when using the different systems, the

NAV 398

memorizes the

type of position data (L, G, or DG) recorded for each event and shows the

indicator on the screens when the Event is used for a destination waypoint.

The indicators L, G, or DG appear immediately after the WPT characters on

the screen. In this way, the operator can use the matching systems to return

to Event locations more accurately.

It’s a very good idea to write the Event numbers and location descriptions

onto your paper waypoint log for future reference at the first opportunity.

3.5.7.2 GOT0 Destinations

After waypoints have been stored into the

NAV

unit

memories, they can then

be selected for use as direct destinations.

ThemGoTo/31

key permits the

operator to quickly select a

waypoint

destination. The

GOT0

mode works

this way:

Press

them]

key.

Initially, when

the-1

key is pressed, the

“GOT0

WF’T

-‘I

message appears in the destination

window area so you can input the desired destination

memory number. The message will show three

dashed lines until the first character is entered. Use

the numeric keys to type in the desired memory

number.

Example:

Type

1-1,

1-1

for

waypoint

number 6.

When thelENTER(key is pressed, the desired waypoint becomes the desti-

nation waypoint. If you are on the

NAV

CD1

screens, the display will change

the bargraph appearing on the top of the

NAV

screen and put the boat symbol

OPERATION 3-17

,/-_-

.-.

1 ... 30 31 32 ... 75

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Raymarine GPS navigation User Manual Page 31

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