The R4.0 Owners Manual includes a revamped troubleshooting section. Common tips include:
Press and hold the dedicated orange Emergency button to trigger an alarm with the highest priority across the network. Advanced Features in Manual R4.0 DMO Gateway and Repeater Mode hytera mt680 tetra mobile terminal owners manual r4 0 new
Use the or the Navigation Keys to scroll through your programmed talkgroups. The R4.0 manual emphasizes the use of "Folders" to categorize talkgroups (e.g., Fire, EMS, Police) for quicker access. Making a Call The R4