User's Guide

4.19.2
Setting Clear Call Alarm
When and where to use: Use this menu item to configure an alarm tone notifying about 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:
• Off – the alarm is disabled.
• Single – the alarm sounds once at the beginning of a clear call.
• Continuous – the alarm sounds periodically throughout a clear call.
4.19.3
Updating Encryption Keys
When and where to use: Use this menu item 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 DMO.
4.19.4
Viewing OPTA
When and where to use: Use this menu item to view Operational Tactical Address (OPTA) providing
supplementary information about a subscriber's organization and operational role.
Procedure:
1 From the home screen, press the Menu key.
2 Select Crypto Menu → Show OPTA.
4.19.5
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.
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