The siren does not go off Hi-Lo for fire calls. Town said it was not used for fire calls we removed the one solenoid it had for parts. The new radio is not set up to activate the RCM-3.
Proud owner of rcm1, model 2,2T,Model A, Thunderbolt 1003, AF timer, FS SS1000, 500SHST
Wisconsin siren services https://www.swssirens.com