Sony NV-U74T Car GPS Receiver System Software Update 4.01

Date Added: Jul 2009 / OS: Windows 2000/XP/Vista / File Size: 20.49 MB / Publisher: Sony

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This utility updates the NVU-74T nav-u portable navigation system software to version 4.01 and provides the following benefits:

* Improves system stability during Bluetooth A2DP streaming
* Improves the route quality in certain situations
* Shortens the time to acquire a GPS satellite signal in certain conditions, such as between tall buildings
* Improves touch panel responsiveness

Installation Instructions

1. Download the SONYNAVU_U74T_4.1.WM.BIN file to a temporary or download directory.
2. Connect your nav-u personal navigation device to the computer using the supplied USB cable.
3. Power on your nav-u personal navigation device and wait until the "Connect to PC" message is displayed on the nav-u screen.
4. Start the nav-u Tool software on the computer.
5. At the "nav-u tool" window, click "Upgrade System".
6. On the right side of the Upgrade Screen, verify that the target version is 1.00.
7. On the left side of the Upgrade Screen, click the "Browse" button, and go to the directory where the SONYNAVU_U74T_4.1.WM.BIN file was downloaded and then click "OK".
8. In the "Name" box, click to select "4.01 wm NV-U74T" update, and then click >> the button.
9. After the update file is transferred to the nav-u device a "Transferring Upgrade file completed." message is displayed on the computer.
10. After the system software update is complete, the nav-u device will automatically shut down and restart.

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