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Extra Vehicular Activity (EVA) is commonly known as “Spacewalk”, in which the Astronauts operates outside of his space-craft in a specially designed suite that keeps him alive and functioning.
In Space Shuttle mission there are quite a few missions that require the player to perform various tasks in EVAs in order to finish the mission.
in the game when an astronaut is outside the shuttle you need to select him as the tracked object in the External view (F1 Key). The currently active object is stated in the MET clock. after the EV astronaut is selected a first person view is available (F3 Key).
The Tethered EVA is very simple to learn and understand. it's very straigh forward. it is controlled from the Numpad Only. (or joystick)
the controls used are the Numpad keys to move in all axis.
on this type of EVA you can Translate up or Down, forward or Backwards and yaw left and right.
|Forward/Aft||Numpad 8 / Numpad 2|
|Left/Right||Numpad 4 / Numpad 6|
|Up/Down||Numpad 9 / Numpad 3|
It's as simple as that.
Using the Stick is slightly less intuitive. and sometimes the keyboard would be preferable.
The Un-Tethered EVA is very similar to orbital maneuvering with the shuttle. controls are the same. the MMU used a miniature version of the RHC/THC for control.
the controls used are the Numpad keys, the arrows and “Page down” and “delete” key from the “six pack”.
the Numpad controls translations while the Arrows and the “Six Pack” control attitude.
|RHC (Attitude)||THC (Translations)|
|Yaw||Delete and Page down||Up/Down||NumPad9/NumPad3|
Attitude control using a joystick is natural. Pitch, Roll are always available. YAW is usable if the joystick has a twist axis. Throttle if available should be kept in the middle of it's range (explanation in a second)
Translations with a stick are a bit more complex. to activate translations you hold down the Trigger while moving the stick around. Left, Right, Forward and Aft are available in this configuration.
Up/Down translations are controlled via the throttle. while holding down the trigger and “increasing” or “decreasing” the throttle the shuttle will translate up and down.
Some users find it easier to use the Stick for Attitude control, and the keyboard for translations.