747 Miscellaneous Controls
by jerome meriweather
   

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Right to PASS OXY
Down to Fire Protection

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Fire/OVHT Test Switch Emergency Lights Switch OBS Audio System Switch Service Interphone Switch Fuel Transfer MAIN 1 & 4 Switch
747 Photo and/or Graphic Element
  

 

 

Fuel Transfer MAIN 1 & 4 Switch
Service Interphone Switch
OBS Audio System Switch
Emergency Lights Switch
Fire/OVHT Test Switch
Introduces a Fire/Overheat signal to the engine, APU, wheel well, cargo and wing bleed duct leak detectors. The following occurs: