User Manual
Page 30
install new maps To install new maps onto your TN20/TN30, do the following: 1 Insert SD card containing new maps into SD card slot. 2 Press and hold Power button for at least 8 seconds to power down your TN20/TN30. 3 Press and hold Power button until the display becomes active to turn on your TN20/TN30. Maps are installed automatically. 29
install new maps To install new maps onto your TN20/TN30, do the following: 1 Insert SD card containing new maps into SD card slot. 2 Press and hold Power button for at least 8 seconds to power down your TN20/TN30. 3 Press and hold Power button until the display becomes active to turn on your TN20/TN30. Maps are installed automatically. 29