Updating Encryption Keys; Viewing Opta; Setting Opta Filter; Starting Crypto Registration - Motorola MTP8550Ex Feature User Manual

MN002041A01-AH
Chapter 4: Main Menu
4 Select one of the following options:
• 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.
4.21.3

Updating Encryption Keys

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 More . . . → 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).
4.21.4

Viewing OPTA

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 Select More . . . → Crypto Menu → Show OPTA.
4.21.5

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.
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.
4.21.6

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 Select More . . . → Crypto Menu → Crypto Registr.
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