WARNING — Moving the bleed-air emergency switch to EMER OFF shuts off engine compressor air and renders inoperative, or shuts off, the following: fuel transfer from the drop tanks, canopy seal, cockpit air conditioning and pressurization, ventilated suit, canopy and windshield defrost, anti-G suit, pitot boom anti-ice, windshield ice and rain removal, and cooling of the aft electronic equipment.