Setting Clear Call Alarm; Updating Encryption Keys; Viewing Opta - Motorola MTP3100 User Manual

• From the home screen, press Menu → Crypto Menu → Crypto Function. Select
Encryption On to enable or Encryption Off to disable encryption.
Your radio displays prompts indicating your current encryption state: an appropriate status icon
and Encryption On or Encryption Off message.
4.15.2

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.
4.15.3

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.
4.15.4

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.
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