5.8.5.2
DMO SCK
Use of SCKs in DMO needs to be enabled by your service provider. The SCKs used in DMO are called
DMSCKs.
5.8.5.3
Changing DMO SCK
IMPORTANT: Changing this setting may cause radios not to operate correctly
Procedure:
1 From the home screen, press the MENU key.
2 Select Security → DMO SCK.
3 Press Next.
4 Radio displays Change to version .
5 Select one of the following:
• Yes — to change the key. Your radio displays Key version changed.
• No — to leave the key. Your radio displays Code Not Changed.
5.8.6
Verifying TMSCK Validity
When and where to use: To ensure that the TMSCKs in the radio are valid and can be used for the
air interface encryption.
Procedure:
1 From the home screen, press the MENU key.
2 Select Security → TMSCK Validity.
3 The radio displays:
• TMSCK is Valid
– the radio can work encrypted in TMO.
• TMSCK is Invalid – the radio cannot work encrypted in TMO. Please contact your service
provider to restore SCKs to your radio.
5.8.7
Verifying DMSCK Validity
When and where to use: To ensure that the DMSCKs in the radio are valid and can be used for the
air interface encryption.
Procedure:
1 From the home screen, press the MENU key.
2 Select Security → DMSCK Validity.
3 The radio displays:
• DMSCK is Valid – the radio can work encrypted in DMO.
• DMSCK is Invalid – the radio cannot work encrypted in DMO. Please contact your service
provider to restore SCKs to your radio.
MN002041A01–AA
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