You can find these settings by clicking Edit Tour, switch to Design View, then scroll down the right pane.

Tour starting point



For each view

Navigate to & angle the camera to the view you want to show when the tour first loads, then click Set
Find lets you go back to the starting point you set for each view

Tour starting view



Select whether you would like your viewers to see your tour or model first

Field of view



Default field of view

Set the default zoom of your tour

Slider

Move the slider to set the minimum and maximum range you want your viewer to be able to zoom in and out of your tour