21FT-70DR/FT-70DE Operating ManualFor example, if the transmit and receive DG-ID numbers of group members are all set to "50",communications from other DG-ID numbers is not received and only the group members settingthe same DG-ID numbers may communicate. Also, the other stations set the receive DG-ID to anynumber except for "00" may not be received the signals of your stations.DG-IDT50(transmit)R50(receive)DG-IDT50(transmit)R50(receive)The group member set the DG-ID number to “50”Only group members set to the same DG-IDnumber may communicate.Setting the receive DG-ID number to“00” , all the C4FM digital stationsmay be received signalsDG-IDT00(transmit)R00(receive)DG-IDT00(transmit)R00(receive)DG-IDT90(transmit)R90(receive)The other station set the receive DG-IDnumber to the number except for “00”may not received the signals that is notmatching the DG-ID number.About the GM(Group Monitor) featureThe GM (Group Monitor) function automatically checks to find if there are any stationswith the GM function in operation with the same DG-ID number within communicationrange. Setting the receive DG-ID number to “00” will check for all the C4FM digital sta-tions In/Out of range.z Activating the GM (Group Monitor) function, the Digital C4FMmode is changed. For communicating in the Analog FM mode,Set the GM function OFF.z The other member stations must also turn the GM (GroupMonitor) function ON.In/Out indicationGM iconWhen the GM (Group Monitor) is activated, the following information screens are auto-matically switched.Group Mode Display(Automatically switching display)GM information screenMemory Tag Display*1 Frequency DisplayOwn DG-ID Number Display* 1:Memory tag display is displayed in the case of the memory channel or the home channel setting the memory tag.