To request for voice override, press Override and then press and hold the PTT key.You can start speaking after a short tone is played and appears on the display.Muting the call temporarilyWhen the radio is receiving a direct mode call, you can mute the call for apredefined time (0-60 seconds) by pressing . Making a direct mode call1. First make sure that the names of the desired channel and group are displayed.2. Press and hold the PTT key and start speaking after a short tone is played andappears on the display.Duty key in direct modeIn direct mode, pressing and holding makes a call to the first group on theselected channel. Press and hold the duty key when you speak.