User's Manual

ENCRYPTION

AES-256 ENCRYPTION

312 ENVOY™ TRANSCEIVER REFERENCE MANUAL

 If you are using a 2221 Handset:

• From the main menu, select (Functions).

• Press or to scroll to the Secure function.

• Press (OK).

 Compose your email message in your email client software, for example

Microsoft® Outlook®, then send it to the recipient.

When a digitally encrypted signal is transferred between the data modems

across the link established by the transceivers, the index is highlighted. The

current transmit or receive data rate is indicated on the right-hand side of the

secure index.

While the message is being sent between the transceivers, activity is reported on

the screen of the control point.

Figure 63: Transmit and receive screens during an AES-256 digital data

call

If the email station is not in secure mode when a signal is transferred between

the data modems, TEKindex is replaced by Clear Data.