announcement or alarm info).
Under disarming status and standby interface, long press menu button for 2s, device
enters arming status. Screen turns on. It shows arming prompt at the left and light is NO (no
announcement or alarm info).
VTH1200-DS
Under arming status and standby interface, long press menu button for 5s, device enters
disarming status. Screen turns on. It shows disarming prompt at the left and light NO (no
announcement or alarm info).
Under disarming status and standby interface, long press menu button for 2s, device
enters arming status. Screen turns on. It shows arming prompt at the left and light in on for 2s,
and off for 0.5s. (no announcement or alarm info).
3.8.2 Alarm Message and Reporting Function
VTH has 4 channels for alarm, and each channel alarm type can be set. There are 7 alarm
types in total, including fire, SOS, gas, smoke, door sensor, intrusion and other. When anyone
in the 4 alarm channels triggers alarm, screen will display related alarm info, and VTH indicator
quickly flashes with alarm ring. Press monitor button, confirm alarm info, and meanwhile info
indicator resume NO status. Alarm ring stops and prompt in screen is cleared. All alarm
information will be reported to management center after local display.
3.8.3 Alarm Output
When alarm occurs, alarm output port will generate level fluctuation for one minute.