WEIGHT ON WHEELS

Left Switch - Ground

* Opens Outflow Valves (<85% N2)

* Pre-Press During T/O

* Generator Assist Starts

* Eng Bypass Valve for Pre-Cooler

* Ground Idle (w/EEC Operating)

Left Switch - Flight

* Flight Hour Meter

* Digital Clock

* Opens EMER Press Valve

* Normal (Auto) Press Control

* TAS Probe Heater (Rosemont)

* Landing Gear Lock Solenoid

* Enables Pre-Cooler Doors

* Enables Flight Idle

  (w/EEC Operating)

Left/Right Switch - Ground

* T/R Deployment

  (either squat switch)

* Stick Shaker Test

* Anti-Skid Lock Protection

Left/Right Switch - Flight

*  Stick Shaker Operation