The End-to-End Encryption is used for:
• Encryption of voice transmission in the DMO and TMO Modes.
• Encryption of messages transmission in the TMO Mode.
• Encryption of messages transmission in the DMO Mode (the radio cannot be in call).
• Encryption of position data (GPS) transmission in the TMO and DMO Modes.
• Transfer of Operational Tactical Address (OPTA) in the TMO and DMO Modes.
• Management of encryption keys in the TMO Mode.
SIM Card End-to-End Encryption
5.17.1 Enabling/Disabling SIM Card End-to-End Encryption
Prerequisites:
• The radio is not in an active call.
• You cannot press the PTT button.
To enable/disable SIM Card End-to-End Encryption, use one of the following ways:
• Press a One-Touch Button assigned to enabling/disabling SIM Card End-to-End Encryption.
• From the home screen, press MENU → Crypto Menu → Crypto Function. Select Encryption On to
enable or Encryption Off to disable encryption.
Result: Your radio displays prompts indicating your current encryption state: an appropriate status icon and
Encryption On or Encryption Off message.
5.17.2 Setting Clear Call Alarm
When and where to use:
Use this menu item to configure an alarm tone notifying about any clear transmission.
-
5.17.1 Enabling/Disabling SIM Card End-to-End Encryption
5-69