ARCHLINE.XP 2020 NAVIGATION REFERENCE GUIDE
The actions you can perform using mouse and keyboard buttons:
OPERATION
USER ACTION
DESCRIPTION
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Scale down smooth (zoom out)
Hold down SHIFT and Mouse RIGHT and move the mouse up
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Scale down with steps (zoom out)
Scroll Mouse WHEEL backward
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Scale up smooth (zoom in)
Hold down SHIFT and Mouse RIGHT and move the mouse down
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Scale up with steps (zoom in)
Scroll Mouse WHEEL forward
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Pan
Hold down Mouse WHEEL button and move the mouse
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Optimal view
Double click with Mouse WHEEL button
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3D orbit

Hold down SHIFT and Mouse WHEEL and move the mouse or

Hold down Mouse RIGHT button and move the mouse

(Rotation is around  the clicked point)

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Perspective view forward

Hold down Mouse RIGHT and press W, or

Hold down Mouse RIGHT and press keyboard UP

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Perspective view forward high speed

Hold down Mouse RIGHT and press W and SHIFT, or

Hold down Mouse RIGHT and press keyboard UP and SHIFT

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Perspective view backward

Hold down Mouse RIGHT and press S, or

Hold down Mouse RIGHT and press keyboard DOWN

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Perspective view backward high speed

Hold down Mouse RIGHT and press S and SHIFT, or

Hold down Mouse RIGHT and press keyboard DOWN and SHIFT

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Perspective view go to left

Hold down Mouse RIGHT and press A, or

Hold down Mouse RIGHT and press keyboard LEFT

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Perspective view sinking

Hold down Mouse RIGHT and press C

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Perspective view lifting

Hold down Mouse RIGHT and press SPACE