28 Basic operationAbout emergency operationIn an emergency you may be able to summon help by send-ing an emergency call. After making the call, your radio maybe programmed to enter emergency mode. While emergencymode is active, your radio may cycle between receive andtransmit, so that your dispatcher or the called party can hearany activity near your radio.On most networks, an emergency call takes precedence overother call types, and existing calls are cleared down so thatthe emergency call can proceed.To make an emergency call from your radio, you may be ableto either:■ use a function key programmed for emergency mode, or■ make a preset emergency call. See “Making a preset call”on page 24.Activating emergency modeYou can activate emergency mode using a function keyprogrammed for emergency mode. Alternatively, you may beable to activate emergency mode using a hidden switch orpanic button. Once emergency mode is activated, your radiomakes an emergency call to your dispatcher or some otherpredetermined location. The radio then entersemergency mode.While emergency mode is active, your radio may cyclebetween receive and transmit, so that your dispatcher canhear any activity near the radio.