• To disable the alarm, select
Off
.
• To enable the alarm to ring once at the beginning of a clear call, select
Single
.
• To enable the alarm to ring periodically throughout a clear call, select
Continuous
.
4.18.3
Updating Encryption Keys
When and where to use:
The Updating Encryption Keys menu is used to update old or incorrect
encryption keys.
Procedure:
1
From the home screen, press the
Menu
key.
2
Select
Crypto Menu
→
Upd Encr Keys
.
3
Select
Upd Group Key
to start the update.
NOTICE:
You can update the encryption keys if the End-to-End Encryption is enabled.
The keys cannot be updated when the radio is in a call or in Direct Mode Operation
(DMO).
4.18.4
Setting OPTA Filter
When and where to use:
Use this menu item to define which characters are masked when the OPTA
name is displayed.
Procedure:
1
From the home screen, press the
Menu
key.
2
Select
Crypto Menu
→
OPTA Filter
.
3
Highlight check boxes using the Navigation keys and press
Select
to set which characters are
masked when the OPTA name is displayed.
4
Press
Done
to confirm the changes.
4.18.5
Starting Crypto Registration
Prerequisites:
Ensure that your radio is not in an active call or in Direct Mode Operation (DMO).
Procedure:
1
From the home screen, press the
Menu
key.
2
Select
Crypto Menu
→
Crypto Registr
.
3
Select
Start Registr
to start the registration.
4.18.6
Setting DMO Encryption Mode
Procedure:
1
From the home screen, press the
Menu
key.
2
Select
Crypto Menu
→
DMO Encr Mode
.
3
Enable the required mode by selecting one of the following options:
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Chapter 4: Main Menu
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