Procedure:

Procedure: 1. The user must notify the MSWIN Liaison of the user’s desire to encrypt the operation of PTT devices. A. The notification will include the number of talk groups, the type of encryption, and the device identification. B. The user must state if encryption will be operator selected or the talk groups will be in encrypted mode full-time. C. Non-AES encrypted devices must be programmed for operator selection only. 2. Special event talk groups will not be encrypted.