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Data Hacking

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FIGURE 6-2: Healthy battery<br />

level on a Garmin eTrex<br />

Chapter 6 — <strong>Hacking</strong> the Firmware<br />

3. Shut down any running applications, including screen savers that will appear if the system<br />

is left unattended.<br />

4. Make sure the cable connection is sound. If you have a screw-in com port connector,<br />

attach it securely.<br />

5. Don’t use the PC during the update — just in case it crashes and hangs the firmware<br />

update. Step away from the keyboard!<br />

6. Finally, don’t jolt or shake the GPS while the firmware update is being piped to the<br />

device, as this can cause the connection to drop or the device to cut out.<br />

Before making any changes to the firmware, I strongly recommend that you visit the website of<br />

your GPS’s manufacturer and download the latest firmware update and keep it handy.<br />

Here are the websites of some of the most popular manufacturers:<br />

www.garmin.com<br />

www.magellangps.com<br />

www.delorme.com<br />

www.lowrance.com<br />

www.laipac.com<br />

www.haicom.com.tw<br />

www.navman.com<br />

www.miogps.com<br />

www.emtac.com.tw<br />

www.trimble.com<br />

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