Operation Manual

V3 Version 1.0 November 2012
Page 27 of 29
9 Firmware Update
Firmware updates of the LXNAV V3 can be easily carried out using PC. Please visit our
webpage www.lxnav.com and check for the updates.
You can also subscribe to a newsletter to receive news about the LXNAV V3 automatically.
9.1 Updating LXNAV V3 firmware using PC
For update we need V3 cable with serial RS232 interface and free serial port on your PC. If
your PC has no serial ports, you can use USB to SERIAL converter.
1. Download the latest firmware and update tool from our web site, section
downloads/firmware http://www.lxnav.com/download/firmware.html. Firmware is
compressed in a zip file. App_VTRI_x.yy.lxfw.
2. Unpack file to one folder and run FlashLoader485App.exe (PC update tool)
3. Choose firmware file App_VTRI_x.yy.lxfw
4. Choose correct serial port and baud rate (115200bps)
5. Press “Flash” Button.
6. Turn ON V3
7. If update starts, you will see a progress on PC and on V3.
If update procedure is interrupted of any case. LXNAV V3 will not start. It will
cycle in bootloader application with red message “Flash integrity failed”.
Bootloader application is waiting to receive new firmware from PC . After