AXIS 2490 Userís Manual Updating the Software 31Appendix C - Updating the SoftwareThe AXIS 2490 software is stored in Flash memory. This memory is provided by a siliconchip that, just like any other ROM device, retains data content even after power is removed.Flash memory is unique because it allows its data to be erased and re-written. This meansyou can install software updates for your AXIS 2490 as they become available - withouthaving to replace any parts. New software can be simply loaded into the AXIS 2490 overthe network.Obtaining Updated SoftwareThe latest version of the AXIS 2490 software is available free of charge from Axis or fromyour local distributor. You can obtain this software over the Internet from www.axis.com.Updating the SoftwareThe AXIS 2490 Flash memory is updated over the network using FTP. See the detailedinstructions supplied with each new software release.Important!ï Always read the upgrade instructions available with each new release, prior to upgrading your soft-ware.ï Downloading normally takes between 30 seconds and 10 minutes, although it can take longer. Afterstarting the download, you should always wait at least 20 minutes before power-cycling the AXIS2490 - even if you suspect the download procedure has failed.ï In controlled environments, flash memory upgrades provide a very safe method of updating thesoftware. However, flash products can become damaged if the upgrade operation is not performedcorrectly. Your dealer reserves the right to charge for any repair attributable to faulty upgrading bythe user.