Feature User Guide
• 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
5.16.1 Enabling/Disabling SIM Card End-to-End Encryption
Prerequisites:
You cannot be in a call nor press the PTT button.
To enable/disable SIM Card End-to-End Encryption, use one of the following ways:
• Press a One-Touch Button ascribed to enabling/disabling SIM Card End-to-End Encryption
• From the home screen, press
MENU → Crypto Menu → Crypto Funct.
. 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.
5.16.2 Setting Alarm Tone
When and where to use:
Use this menu item to turn on/off the Alarm Tone notifying about any clear transmission.
Procedure Steps
1
From the home screen, press MENU key.
2
Select
Crypto Menu → Clear Call Alarm
.
3
Select
Alarm Tone On
to enable or
Alarm Tone Off
to disable the Alarm Tone.
5.16.3 Updating Encryption Keys
When and where to use:
Use this menu item to update old or incorrect encryption keys.
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