underwater
  Safety Information   Installing SureLock Weight Pouches
  Dealer Inspection and Service   Inflation Methods for Powerline
  Warranty Information Deflation Methods for Powerline
  Basic Setup   Special Features
  Donning and Adjustment Procedures   Predive Inspection (Powerline)
  Weight Integration Features   Postdive Care and Maintenance

Deflation via Oral Inflator

To deflate the BC using the oral inflator, lift the Powerline inflator body to its highest possible position (above the head). Press the oral inflator button (a) to start venting air. This method is most effective on the surface when starting the initial descent.