Motorola MTM5400

FeatureUserGuide
2SelectSecurity→KeylockSetup→StartLocked.
3SelectOn/Off.
5.6.3AirEncryption
Thisfeatureprovidesservicecondentialitybetweenyouandthesystem.Thismenuitemallowsyouonlyto
viewairencryptionstate.Ifencryptionisonandyoureceiveaclearcall(unencrypted),theradiodisplays
Call
&DataNotEncrypted.
5.6.3.1ViewingAirEncryptionState
ProcedureSteps
1Fromthehomescreen,pressMENUkey.
2SelectSecurity→AirEncrypt.
3Yourradiodisplays:
a.AirEncryptionIsOff.
b.AirEncryptionIsOn.
5.6.3.2AirEncryptionKeyDeletion
PleasecheckwithyourserviceproviderwhethertheradioisprovidedwithAirinterfaceencryptionkeys.Youcan
deletetheAirinterfaceencryptionkeysfromtheradiobyenteringthefollowingsequence:**00##.
•Ittakesaminuteforthisfeaturetodeletealltheencryptionkeysfromtheradio.
•DeletionisperformedinidleTMO/DMOorEmergencyOperation.
Usingthisfeaturewilldisabletheradio,andyourserviceproviderwillneedtoreenabletheradio.
5.6.4KValidity
K(Key)isasecretkeytheinfrastructureusestoauthenticatetheradiointhesystem.Itispartoftheauthentication
thatprovidesservicecondentialitybetweenyourradioandthesystem.
5.6.4.1VerifyingKValidity
ProcedureSteps
1Fromthehomescreen,pressMENUkey.
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