[. . . ] Installation Manual System Software New System Software for PN 3000 Version C40-070731r1 How to perform the update The files required for the update are stored as compressed data in a Zip file for free download from our internet presence. [. . . ] Before formatting make sure that there are no more files on the SD card which you still want to use later on. 2 GB Connect the PN 3000 to the 12 / 24 respectively 110 / 230 volt power supply Switch off the PN 3000 by pressing the on / off button for longer than 3 seconds Take out the SD Card containing the map data and insert the update SD Card NOTE: The write protection of the update SD card must be disabled (unlock) Switch on the PN 3000 by pressing the on / off button for longer than 3 seconds The software update starts automatically and will take about 4 minutes The update has finished when both bars of the SD upgrade screens shows 100% Switch off the PN 3000 by pressing the on / off button for longer than 3 seconds Note: The "Exit- button" in the SD Upgrade screen does not work!Take out the SD card and insert the map data SD Card again Page 1 of 2 Siemens VDO Trading GmbH · Executive Board: Christoph Maximilian Eisenhardt, Ekkehard Klautke, Registered office: Frankfurt am Main · Commercial registry: Frankfurt am Main, HRB 54523, Office address: Kruppstraße 105, 60388 Frankfurt/Main, Tel: +49 69 40805-0, Postal address: Siemens VDO Trading GmbH, P. O. Box 62 01 27, 60350 Frankfurt/Main Switch on the PN 3000 by pressing the on/off button for longer than 3 seconds. If this does not work, please press the reset button of the PN 3000 The update process is now finished. [. . . ] PN 3000 System identification should show now GUI C40-070731r1 Improvements: Improved TMC behaviour Optimized period time between muting and voice output Page 2 of 2 [. . . ]