The Schematic - Library AutoZoom page of the Preferences dialog.
The Schematic – Library AutoZoom page of the Preferences dialog provides controls related to Auto zoom operations in the schematic.
The Schematic – Library AutoZoom page is part of the main Preferences dialog (DXP » Preferences) and is accessed by clicking the Library AutoZoom entry under the Schematic folder, in the left-hand pane of the dialog.
Zoom Library Components - There are three options available: Do Not Change Zoom Between Components, Remember Last Zoom For Each Component, Center Each Component In Editor.
Zoom Precision - Slide to set zoom precision. The further right the slide, the higher the precision.