Solo C3:
"Each of the detection principles present within the detector (e.g. smoke/heat/CO, etc.) shall be tested independently
for the specific detection principle..."
"Test shall be performed as described for the respective devices by introduction of the physical phenomena to the sensing
chamber of the element, and an electronic check (magnets, analogue values) is not sufficient to comply with this requirement..."
NFPA 72, Chapter 14, 14.4.4.2.2 (k)
