Release : 14.0
Component : CA Vantage Storage Resource Manager
To manually set the displayed range on Y - axis is not supported option in WebUI. The charts have range selected automatically, based on the values in the chart.
To have this functionality an enhancement request has been opened:
https://community.broadcom.com/participate/ideation-home/viewidea?IdeationKey=18b83e6e-2693-4d13-b5ab-e5f272d53e6a