Garmin GPS 76 User Manual Page 23

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21
Getting Started
21
The Reference Section of this manual will describe the Main Display Pages
and their options in detail. The Getting Started section described the process of
navigating the Main Display Pages and the Option Menus. While this section will
provide some direction on how to select an item, its main intention is to describe
each Main Page and it’s Option Menu in detail.
Initializing the GPS Receiver
Before the GPS 76 can be used for navigation, the GPS receiver must be
initialized. The GPS receiver should only need to be initialized the fi rst time the
unit is used, or if it has been stored several months.
The GPS 76 stores orbital data for each satellite in an Almanac. The orbital
data is supplied in the satellite signals. Each time the unit is used, the Almanac
is updated. This is how the GPS 76 knows which satellites to search for. If
you do not use your GPS for several months, or move the unit several hundred
miles between uses, the Almanac can become “cold”, that is to say that the orbital
information is no longer valid. If the Almanac is “cold”, your unit may have
trouble locking on to satellite signals. If the unit is unable to receive enough
satellite signals to determine its location, it will display an options menu.
Initializing the GPS Receiver:
1. With fresh batteries installed, take the unit outside where a clear 360° view
of the sky can be obtained.
2. Turn the unit on and hold it in front of you with the top of the unit
tilted upward. Follow the screen prompts, pressing PAGE to display the GPS
Information Page.
3. The initialization process is automatic. It should take the GPS 76 no longer
than fi ve minutes to acquire enough satellite signals to become operational.
When the unit is able to navigate, it will display either 2D GPS Location or 3D
GPS Location in the Receiver Status Field.
Reference
Ready to Navigate
Initializing the GPS Receiver
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