Installation Note N5242-90003 11Description of the UpgradeInstallation Procedure for the UpgradeStep 1. Obtain a Keyword and Verify the InformationFollow the instructions on the Software Entitlement Certificate supplied toobtain a license key for installation of this upgrade. Refer to “License KeyRedemption” on page 5.Verify that the model number, serial number, and option number informationon the license key match those of the instrument on which this upgrade will beinstalled.If the model number, serial number, or option number do not match those onyour license key, you will not be able to install the option. If this is the case,contact Keysight for assistance before beginning the installation of thisupgrade. Refer to “Contacting Keysight” on page 4.Once the license key has been received and the information verified, you canproceed with the installation at “Step 2. Remove the Outer Cover” on page 11.Step 2. Remove the Outer CoverRefer to Figure 1 for this step of the procedure.1. Disconnect the power cord (if it has not already been disconnected).2. Remove the strap handles (item ①) by loosening the screws (item ➁),with a T-20 TORX driver, on both ends until the handle is free of theanalyzer.3. Remove the foot locks (item ③) from the four bottom feet (item ④) andthen remove the four bottom feet from the outer cover.4. Remove the four rear panel feet (item ⑤) by removing the center screws(item ⑥) with a T-20 TORX driver.5. Slide the outer cover toward the rear of the analyzer and remove it.If the model number, serial number, or option number do not match thoseon your license key, you will not be able to install the option. If this is thecase, contact Keysight for assistance before beginning the installation ofthis upgrade. Refer to “Contacting Keysight” on page 4.This procedure is best performed with the analyzer resting on its fronthandles in the vertical position. Do not place the analyzer on its front panelwithout the handles. This will damage the front panel assemblies.