This information pertains to LabQuest 2 and LabQuest 3.

The original LabQuest does not support this functionality.

Yes. LabQuest App version 2.7 and newer allows for full manual scaling of the graph. Older versions of LabQuest App, the autoscale feature would override manual scaling.

To get the latest version of the LabQuest App, see
https://www.vernier.com/downloads/