•
Encryption N/A
(clear)
4.21
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.
4.21.1
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.
4.21.2
Setting Clear Call Alarm
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
More . . .
→
Crypto Menu
→
Clear Call Alarm
.
3
Select
Simplex Calls
or
Duplex Calls
.
MN002041A01-AH
Chapter 4: Main Menu
139