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09/25/02 GPS_field_guide 8:19 A9/P9
11
Figure 10 - Back view of the Garmin eTrex device
Table 1 describes the elements reported on the Figures 9 and 10
Inside the waterproof case are located a set of electronic components that allow the receiver
to perform different operations and to display the final result on the LCD screen through
a specific operating system.
The case also contains an internal built-in clock and memory that has the capacity to store
the data received through the satellite signal like the almanac data.
Depending on the GPS provider the POWER, PAGE and ENTER buttons are not identified
with the same symbols as the ones reported on the Figure 9 but as follow: