34 Operating in MPT trunked modeOperating in MPT trunked modeNote: Your radio must have trunking functionalityprogrammed before it can operate in MPTtrunked mode.The following topics are covered in this section: changing your operating mode checking that your network is available making a preset call about emergency operation dialling a PABX number dialling a PSTN number receiving a call re-establishing a call checking missed calls about status messages about text messages placing the radio in do-not-disturb mode calls to conventional channels.Changing your operating modeThe way your radio performs basic functions, such as sendingand receiving calls, depends on the operating mode of yournetwork. The two operating modes that may be available onyour radio are: conventional mode (see “Operating in conventional mode”on page 15), and MPT trunked mode.Changing your operating mode1 Select Menu>Change mode.