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Space Shuttle Avionics: Difference between revisions
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→Choosing a screen
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[[File:Shuttle avionics IDP indicator.jpg|128px|IDP indicator box and keyboard bar of the Space Shuttle DPS]] | [[File:Shuttle avionics IDP indicator.jpg|128px|IDP indicator box and keyboard bar of the Space Shuttle DPS]] | ||
Thus, to use GNC functionality on this screen, it is necessary to | Thus, to use GNC functionality on this screen from the Commander's seat, it is necessary to | ||
* select DPS MENU via the edgekeys | * select DPS MENU via the edgekeys | ||
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* switch the left keyboard to talk to IDP 3 | * switch the left keyboard to talk to IDP 3 | ||
Then it is possible to work on the screen as described above. The IDP automatically picks one of the GPCs that runs the requested major function to communicate with. | Then it is possible to work on the screen as described above. The IDP automatically picks one of the GPCs that runs the requested major function to communicate with. The GPC number currently accessed via the DPS screen is indicated in the top line of the screen (for instance, since SM by default runs on GPC 4, you'll see a 4 there whenever you use SM functionality). | ||
Note that keyboard commands will affect all screens connected to the IDP in question as long as DPS MENU is selected. | To access SM rather than GPC functionality, the IDP controlling the screen needs to be switched to SM. A schematic of how IDPs and MDUs are connected is given in the crew manual on page 2.6-16. | ||
Note that keyboard commands will affect all screens connected to the IDP in question as long as DPS MENU is selected for them. | |||
=== Software Caution and Warning (CWS) === | === Software Caution and Warning (CWS) === | ||