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Display
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Controls on-board computer
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Selecting a submenu or adjusting the volume
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 Up / increases the volume
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 Down / decreases the volume
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Using the telephone
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 Accepts a call / starts dialling
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 Ends a call / rejects an incoming call
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Jumping from one menu to another
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 Forwards
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 Back
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Jumping from one submenu to another
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more
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 Forwards
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 Back
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