Encryption 149Making an encrypted call1 Select the network you wish to operate on.2 Check that encryption is on ( is showing inthe display).3 Press and hold the PTT key to transmit.While you are transmitting, the LED glows red andappears in the display.If you transmit or receive an unencrypted call onan encrypted network, the disappears andyour radio may be programmed to issue anaudible alert.Receiving an encrypted callWhen you receive an encrypted call, your radiounmutes and you can hear clear speech, so long asthe key required to decode the call is stored inyour radio.If the key required to decode the call is not stored inyour radio, then your radio remains muted and themessage Key fail appears.If you transmit or receive an unencrypted call onan encrypted network, the disappears andyour radio may be programmed to issue anaudible alert.
