Garmin GPSCOM 190 User Manual download pdf (Page 58)

Receiver status is displayed at the top left of the

screen, with the current horizontal accuracy (estimated

position error, in feet or meters) at the top right. The sta

tus field will show one of the tollowing conditions;

Searching— the receiver is looking for any available

satellites in view.

AutoLocate— the receiver is initializing and collect

ing new almanac data. This may take 3 to 5 minutes.

Acquiring— the receiver is collecting data from avail

able satellites but has not collected enough data to cal

culate a 2D fix.

2D Navigation— at least three satellites with good

geometry have been locked onto, and a 2-dimension-

al position fix (latitude and longitude) is being calcu

lated. ‘2D Dilf’ will appear when you are receiving

DGP5 corrections in 2D mode.

3D Navigation— at least four satellites with good

geometry have been locked onto and your position is

now being calculated in latitude, longitude and alti

tude. ‘3D Difr will appear when you are receiving

DGPS corrections in 3D mode.

Poor GPS Coverage— the receiver is no longer

tracking enough satellites for a 2D or 3D fix.

Not Usable— the receiver is unusable, possibly due

to incorrect initialization or abnormal satellite condi

tions. Turn the unit off and back on to reset.

Simulating Navigation— the receiver is in simula

tor mode.

EZinit Prompt

The satellite status page also displays the EZinit

prompt whenever a position fix has not been calculated

(the unit must be in searching, AutoLocate, acquiring, or

poor coverage mode).

This prompt allows you to manually reinitialize. Its a

useful feature if you have traveled over 500 miles with the

receiver off and you know it must be initialized to your

new position (the unit wall also automatically offer the

EZinit prompt after 3-.5 minutes of unsuccessful satellite

acquisition).

Receiver Status

Refefíence

Satdlile

Page

POOfi OUR&

MBS

B^TaEFoaR

121.50 130.75

A poor coverage status

wiif

appear if

the receiver

lias

lost iiie number

sateiiites

required to compute a

fix.

ftCeUIRIHO

_____

CHOOSE INIT

METHOD:

1 SELECT

mssm

FROM LIST

£ ñUTOLOCñTE

G NO RE-INIT

COOHTIHUE

ñCOUIRINO)

130.75 119.92

The

EZinit prompt will

automatically appear

the

receiver needs

ini-

tilized. The

prompt

may

afio

appear during normal

use if the

antenna is shaded

or the unit is indoors.

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Garmin GPSCOM 190 User Manual Page 58

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