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After recently buying this GPS system, I wanted to list all the hints, hacks, and tips that I have found for it.

The StreetPilot c320 and c330 systems are very similiar. c320 is a little cheaper and uses SD cards. c330 uses internal flash memory. Anyway, these units rock, have a ton of features, are frequently updated, and are pretty cheap now.

Props goes out to gpspassion forums for many of these tips.

c320/c330 Hints:

Software Updates:

The system comes with a map of CDs and some basic transfer software. Seeing and setting your points of interests and waypoints on your computer is made much easier by downloading and using Garmin's free MapSource software.

If you want to connect your notebook to your GPS system while you travel to get killer information, stats, and better view, you can download and run Garmin's free nRoute software.

You are probably entitled to at least one free map update as well.

Access the Debug/Diagnostic Pages:
1. Turn GPS on
2. Click View Map
3. Click the Speed section in the left lower corner
4. Press and Hold the Moving Avg box for several seconds
5. The Diagnostic Screen will appear.
6. Press Next to cycle through them all.

Perform a Hard Reset to Clear Your GPS:
1. Turn GPS off
2. Press and hold the bottom right hand corner of the screen
3. Turn the GPS on (and continue to hold the right hand corner)
4. A warning screen will appear and ask if you want to continue

This will erase all your custom data. This is excellent after buying a used unit or after moving to clear all your data.

Go to Street without knowing exact number:
1. Turn on Unit
2. Click Address
3. Select State and City
4. When asked to enter House Number just click Done
5. Type in Street Name
6. Your point will automatically be picked on that road.

See Trip Stats (Time, Speed, etc) and Reset Trip:
1. Turn on GPS
2. View Map
3. Click the Speed Box in the lower left corner

To Calibrate The Touch Screen:
1. Turn off GPS
2. Hold Power Button for 30 secs or so
3. Calibration screen will appear

To Save Current Location into your Favorites:
1. Get to the main menu
2. Click Where to?
3. Click My Locations
4. Click Save
5. Confirm

View Turn by Turn Instead of Moving Map:
1. While navigating click, the top direction green bar
2. This will show a list of upcoming turns
3. Click the top direction choice
4. You will turn by turn directions instead of the moving map