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Sounder Page
Primary Pages
The GPS 125 Sounder uses six primary “pages” to
give you information. The pages are arranged in a con-
tinual loop and can be easily viewed in forward or
reverse order by pressing either the
J
or
Q
key.
Before we start the tour, let’s briefly look at these pages.
Satellite Page
The Satellite Page shows satellite positions and
signal strength. Satellite positions are shown using a
“birds-eye-view” display. Signal strength bars are shown
for each satellite in use. Satellite status and estimated
position error (EPE) are shown in the upper corners.
Position Page
The Position Page shows you where you are, what
direction you’re heading and how fast you’re going. The
top of the page contains a compass tape which is a
graphic representation of your heading. Your track and
speed are indicated immediately below, with the digital
depth displayed at the bottom of the page.
The graphic compass tape reflects your head-
ing only while you are moving.
The rest of the page shows your current position in
three dimensions: latitude, longitude and altitude. A
trip odometer and 12/24-hour clock are also provided.
Sounder Page
The Sounder Page gives a view of the water
beneath your boat while displaying sonar contacts and
bottom contour.
Primary Pages
GETTING
STARTED
8
Satellite Page
The Satellite Page will
allow you to monitor
satellite signal reception
and strength.
!
J
Q
125 Man Rev B 7/23/98 11:47 AM Page 8