Air Depletion and Alternate Air Source

Steps to Perform: 
  1.  Relax
  2. We'll hold your tank, show you your guage and turn off your air
  3. You signal "Out of Air"
  4. Acquire the Instructor's Alternate Air Source
  5. Signal OK
  6. The Instructor will turn back on your tank
  7. Go back to your primary regulator [clearing it]
  8. Signal OK
Video Demo: 
See video