Controls AC electric motor-driven backup hydraulic pumps.

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: Manages the engine-driven and electric motor-driven pumps for systems A and B. Pneumatic & Pressurization

: Reverser switches and EEC (Electronic Engine Control) settings. Oxygen : Crew and passenger oxygen system controls. Boeing 737 800 Cockpit Layout - sciphilconf.berkeley.edu

Protects the aircraft from atmospheric icing conditions by redirecting hot bleed air or electrical power.

The aft section is located further back and typically houses systems that require less frequent monitoring or are used during emergencies.

Pilots spin this dial to set the planned cruising altitude before takeoff.

For the most current technical specifications and layouts, users often refer to: Flight Crew Operations Manual (FCOM)

Shut off hydraulic pressure to the flight spoilers for maintenance or malfunction isolation.

3.8 Oxygen Systems

High-intensity flashing white lights to make the aircraft visible in mid-air. System Integration: The Engine Start Flow