TM 9-2320-364-20-32-2013Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.NOTEThe CTIS initially and periodically checks for system air leaks. The CTIS controller will display flashing LOWAIR light and shut off if 6 psi (41 kPa) cannot be maintained by the CTIS. The manifold will click during thischeck for approximately 1-1/2 minutes.