Myst 3 - Exile - Platform: XBox

Some Hints:
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J'nanin Age: Lens posts: On the J'nanin Age, there are a variety of 
posts, each with a sort of lens. You must find the source of light 
(near the yellow post) and turn the cover until the light is directed 
to the yellow post. From there, point the light from post to post and 
ultimately to the receptor next to one of the three tusks. The light 
posts can be manipulated by selecting the ring under the lens. Record 
the order of the colors of the posts that the light travels to in 
order to reach the receptor, this order is the key to open the door. 

Bad endings: 
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Do what he says and switch the shields.
Link back to Tomahna without Releeshahn.
Turn off the power, then turn it back on.
Talk to him but do not go anywhere.
Talk to him, leave, repeat (do not do anything other than that).