| rdfs:comment | - Dial Home Devices, often shortened to DHDs and known as clavis to the Ancients, are large, pedestal-shaped computers placed on almost every planet in the Stargate Network. DHDs establish a wireless link with the nearby Stargate and act as a control device and power source, allowing any intelligent species to dial it without having to rotate the gate manually or develop their own computer interface. Similar to a telephone dial or touch pad (although much larger), the DHD is used to specify which other Stargate to connect to when opening a gate or wormhole to another location. The external symbols on the DHD represent Star Constellations, surrounding the central activation button.
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| abstract | - Dial Home Devices, often shortened to DHDs and known as clavis to the Ancients, are large, pedestal-shaped computers placed on almost every planet in the Stargate Network. DHDs establish a wireless link with the nearby Stargate and act as a control device and power source, allowing any intelligent species to dial it without having to rotate the gate manually or develop their own computer interface. Similar to a telephone dial or touch pad (although much larger), the DHD is used to specify which other Stargate to connect to when opening a gate or wormhole to another location. The external symbols on the DHD represent Star Constellations, surrounding the central activation button. The DHDs are composed of Control crystals, used to store memory and information. Despite the apparent simplicity of function, the DHD performs incredibly complex calculations within seconds every time it is dialled to account for Stellar drift and other potential problems, assisted by information from its automatic update command, calculations that take Stargate Command computers around a month to complete. (SG1: "Children of the Gods", "Solitudes", "Avenger 2.0")
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