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Keyboard, Display (DSKY), Apollo 16

Smithsonian's National Air and Space Museum

Smithsonian's National Air and Space Museum

The Display Keyboard (DSKY) was the method by which Apollo astronauts communicated with the computers on board the Apollo Command and Lunar Modules. A Command module had two DSKYs: one on the main control panel and one in the lower navigation bay. The LM had one, identical DSKY. The interface consisted of a simple numerical keyboard, a row of status lights, and a set of lighted numerical indicators. Astronauts instructed the computer by keying in numerical codes in a "verb - noun" sequence; e.g. "display velocity."This DSKY was one of two installed on the Command Module of Apollo 16, crewed by John Young, T.K. Mattingly, and C.M. Duke in April 1972.

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