Recall 2 : (1) To call off-duty fire fighters back to their stations or to a fire in a major emergency. (2) A signal indicating that companies are back in service from a fire and ready to resume assignment, or that a fire is under control
Ralph W. Burklin & Robert G. Purington, Fire Terms: A Guide to Their Meaning and Use, National Protection Association, Boston, MA 1980 USA. (Guide: Meaning and Use, Nat Prot Association Fr Srvc - Amer) {457}