These are the installation instructions for updating the Windows firmware in a 5 Series MSO oscilloscope using your downloaded 5SeriesMSO firmware update zip file. Contents of this zip package: install.txt - this text file releaseNotes.txt - describes differences between firmware versions elem_W_rel_xx.exe - oscilloscope firmware installer for Windows 5 Series MSO Applicable open source licensing references. Instructions: 1. Copy the file 'elem_W_rel_xx.exe' to suitable USB media or the oscilloscope hard drive. 2. Insert the USB media into any of the USB Host ports on the front of the oscilloscope. (The host ports on the rear of the oscilloscope may also be used.) 3. Double-click the installer executable. 4. Wait for a dialog to appear and once it does, follow the instructions. There are multiple confirmation screens to click through and you must accept the license agreement. Do not turn off the oscilloscope or remove the USB media until prompted to do so! 5. When the screen says that the upgrade is complete, turn off the oscilloscope. 6. Turn on the oscilloscope. Currently Installed Version: The firmware version currently installed in the oscilloscope is shown in the About menu, accessible from the Utility menu. Notes: - New versions of firmware are released from time to time. Visit www.tektronix.com/software. - If you are unable to update the new firmware, please contact the Tektronix Technical Support Center. Customers calling within the U.S. call 1-800-833-9200 press 3. Worldwide, please visit www.tektronix.com to find contacts in your area.