Motorola ST7500 - 4.16.4 Updating Encryption Keys; 4.16.5 Viewing OPTA; 4.16.6 Starting Crypto Registration; 4.16.7 Configuring Audio Settings

• To disable the alarm, select Off.
• To enable the alarm to ring once at the beginning of a clear call, selectSingle.
• To enable the alarm to ring periodically throughout a clear call, select Continuous.
4.16.4
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 From the home screen, press the Menu/OK key.
3 Select Crypto Menu→Upd Encr Keys.
4 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).
4.16.5
Viewing OPTA
When and where to use:The Show OPTA menu is used to view Operational Tactical Address
(OPTA) that provides supplementary information about the organization and operational role of a radio.
Procedure:
1 From the home screen, press the Menu key.
2 From the home screen, press the Menu/OK key.
3 Select Crypto Menu→Show OPTA.
4.16.6
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 From the home screen, press the Menu/OK key.
3 Select Crypto Menu→Crypto Registr.
4 Select Start Registr to start the registration.
4.16.7
Configuring Audio Settings
The Audio Settings menu is used to change the audio output for a group call when the call is
encrypted but the End-to-End Encryption is disabled.
Procedure:
1 From the home screen, press the Menu/OK key.
MN004519A01-AK
Chapter 4: Main Menu
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