Overview:¶

The DSKY was the front interface of Apollo Guidance Computer. It was used during the Apollo Program on both the Command Module and Lunar Module. It's role was to provide information to the astronauts and electronic information to other parts of the space craft. The device consisted of two devices the front interface called DSKY and the electronic computer called Apollo Guidance Computer. It weights 75lbs (32kg) and consumes 55 watts. The image below shows the front interface and the computer.

(Source:Wikipedia)

Front Interface:¶

DSKY consist of 19 buttons:

• 0-9 Button
• Verb
• Noun
• CLR
• PRO
• KEY REL
• ENTER
• RESET

The displays consist of 21 7 Segment Displays. These 7 segment displays is broken down to:

• 15 - 7 segments divided by 3 rows referred to as Data Displays (R1, R2, R3)
• 6 - 7 segments divided by 3 sets referred to as Verb Code, Noun Code, and Program Number
• Up to 14 indicator lights dependent on the Apollo program
• 1 Indicator light for computer Activity

Shown in the image below:

(Source: The Apollo Operations Handbook)