Garmin GPS 38 User Manual download pdf (Page 21)

Satellite Page

The GPS 38 Satellite Page displays the status of various

receiver functions. The status information will help you

understand what the GPS is doing at any given time, and

tell you whether or not the receiver has calculated a posi-

tion fix.

Sky View & Signal Strength Bars

The sky view and signal strength bars give you an indi-

cation of what satellites are visible to the receiver, whether

or not they are being used to calculate a position fix, and

the signal quality. The sky view in the center of the page

show’s a bird’s eye view of the position of each satellite rela-

tive to the receiver’s last known position. The outer circle

represents the horizon; the inner circle is 45º above the

horizon; and the center point is a position directly over

your head.

When the receiver is looking for a particular satellite,

the corresponding signal strength bar will be blank and the

sky view indicator will remain highlighted in reverse video.

Once the receiver has found the satellite, a hollow signal

strength bar will appear, indicating that the satellite has

been found and the receiver is collecting data from it. The

satellite number in the sky view will also change from

reverse video to normal presentation. As soon as the GPS

38 has collected the necessary data to use the satellite for

positioning, the hollow bar will become solid.

Satellites in view but not

currently in use (03 & 17)

will be displayed in reverse

video, with the correspond-

ing signal strength bar “hol-

low”.

Once a satellite in view is

usable for positioning, the

satellite number will change

from reverse video and the

signal strength bar will

become solid.

R E F E R E N C E

Satellite Page

Overview

Status

Battery

Indicator

Satellite

Sky View

Horizontal

Accuracy

Signal Strength

Indicators

Satellite

Number

GPS 38 Man Rev B 7/23/98 4:32 PM Page 17

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Garmin GPS 38 User Manual Page 21

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