4306 - Note : An alarm is indicated by a numeric value (1-9) in the gamma and/or neutron LE...

An alarm is indicated by a numeric value (1-9) in the gamma and/or neutron LED [light-emitting diode] display and a vibration or audible tone. If the gamma LED is slowly flashing 9, the dose rate is 120 micro-Sievert/hour (µSv/h) or greater.