Located below the gear switch and position lights is the brake pressure gauge which reads "B" or "C" system accumulator pressure. Below the brake pressure gauge is the brake select switch. This switch selects which hydraulic system will be used for braking. "B" system is used for alternate. "B" and "C" system brake accumulator low pressure lights are located on the Flight Engineer's annunciator panel. The Pilot's caution and warning panel will display a LOW BRAKE PRESSURE light should either accumulator light be illuminated.

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