50 518 For Network Key Index, select the key you want to use for data transmission�9 Save your settings�Use Open (No Security) Associations With MicrosoftUse the following procedure to configure your mobile computer for open security usingMicrosoft WZC�1 Start Intermec Settings�2 Choose Communications > 802�11 Radio > Microsoft Security�3 For Network Authentication, choose Open�4 For Data Encryption, choose Disabled�5 Tap OK� Your settings are saved�Load a CertificateTo use transport layer security (TLS) with WPA or 802�1x security, you need a unique cli-ent certificate on the computer and a trusted root certificate authority (CA) certificate.Certificates are pieces of cryptographic data that guarantee a public key is associatedwith a private key� They contain a public key and the entity name that owns the key� Eachcertificate is issued by a certificate authority.1 Start Intermec Settings�2 Go to Start > Settings > System >Intermec Settings�3 Tap Communications > 802�11 Radio >Certificates. The Certificates screenappears�4 To import a certificate chain:a Tap Import Certificates to install theselected certificate.b In the CertImportUI screen, tap the <<<button next to the Select pfx to importtext field.c Select the root certificate from the list.d Tap Import Certificate.5 To import user and root certificatesfrom a Microsoft IAS server:a Tap Import Certificates.b Tap Web Enrollment�c Enter the User, Password, and Server(IP address) to log into the server�d Tap OK� A dialog box appears asking ifyou want to load the root certificate.e Tap OK� The Enrollment Tool messagebox appears telling you that thecertificate has been added.f Tap OK to close the message box�6Manage the computerUse this chapter to learn how to remotely update, configure and monitor your ecominstruments mobile computers. You will also find information on installing and devel-oping software applications as well as how to upgrade the system software�