If radioactive source activity is of high enough to trigger an alarm,

  • Moving graph values will increase and have a blue color
  • The blue light will flash
  • Neutron values will increase
  • Most neutron sources will also generate a gamma alarm resulting in a light blue color on the moving graph
AT6101C_Android_English_Neutron_Alarm_Blue_LED_Red_Arrow
AT6101C_Android_English_Gamma-and-Neutron_Alarm_Blue-Red-LED_Red_Arrow