Mio Digi Walker C620t - Manual (Page 23)

2.5 Map Recovery
Use the Map Recovery tool if you need to restore your navigation software and
map data to the factory default state.
1. Click the Map Recovery button.
2. Insert the DVD supplied with your device to your computer.
3. Connect your device to your computer via the USB cable.
4. Click Start .
5. Follow the onscreen instructions to continue.
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