5.2 SettingYou can set interface, set VTH ring, DND, alarm, mode, general and production.Note:Initial password to enter Setting is: 123456.5.2.1 RingGo to Setting>Ring, set VTO ring, VTH ring, alarm ring and other.5.2.1.1 VTO RingThe device supports up to 19 VTO rings.Go to Setting>Ring>VTO Ring Setup, select VTO ring, press or to adjust.5.2.1.2 VTH RingGo to Setting>Ring>VTH Ring Setup, select VTH ring, press or to adjust.5.2.1.3 Alarm Ring SetupGo to Setting>Ring>Alarm Ring Setup, select alarm ring, press or to adjust.:Unread message.5 Time Show date, week, time, zone and zone alarm.6 Arm/Disarm Press this icon to enter arm/disarm.7 Setting Shortly press Setting button, enter setting interface. Longpress Setting button for 6 seconds, enter protect setupinterface.8 SOS Press to call MGT center.9 Monitor Monitor VTO, IPC video.