private operation and the correct cryptographic key must be loaded into the radio.
Transmitting an Encrypted Call
1.Select the desired group or channel.
2.Place the radio in private mode by pressing the M key, then follow the selection mode rules. On a System radio, the 4key can be used to toggle the private mode on/off. When private
mode is enabled, the 
icon will be on.
If the last state of the radio was private mode, the private mode will be enabled on power up. Also the private mode will be enabled if forced operation has been programmed in the radio.
If a group or channel is not programmed for private mode operation, "PVT DIS" will be displayed if attempt is made to enable private transmit mode. It is not possible to operate on this group/channel in private mode.
If the radio does not have the correct encryption key loaded, "NO KEY#" will be displayed and the call will not be transmitted.
3.Continue with standard transmission procedures. A private mode access tone will be heard when the PTT button is pressed.
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