4.18
Crypto Menu
This sub-menu allows you to manage SIM card based End-to-End Encryption.
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.
4.18.1
Enabling or Disabling SIM Card End-to-End Encryption
Prerequisites:
Ensure that:
• The SIM card is inserted in the radio.
• The radio is not in an active call.
• You cannot press the PTT button.
Procedure:
To enable or disable the SIM card End-to-End Encryption, choose one of the following ways:
If… Then…
If the One-Touch button is configured by
your service provider,
press the One-Touch button.
If you want to operate from the menu, perform the following actions:
a Press Menu→Crypto Menu→Crypto
Function.
b Select Encryption On to enable or En-
cryption Off to disable encryption.
Your radio displays prompts indicating your current encryption state: an appropriate status icon
and the Encryption On or Encryption Off message.
4.18.2
Setting Clear Call Alarm
When and where to use:The Clear Call Alarm menu is used to configure an alarm tone to notify on
any clear transmission.
Procedure:
1 From the home screen, press the Menu key.
2 Select Crypto Menu→Clear Call Alarm.
3 Select Simplex Calls or Duplex Calls.
4 Select one of the following options:
68015000899-FH
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