Thanks for the catch! We've identified the issue and a fix is in the works. In the meantime, adjusting your chrome zoom level might work - or using the Meraki App would be our preferred option for control from a mobile device.

Because of the frequency rate and high amount of measurements on the MT14, the on-board storage is unable to store 5 days of measurements before it gets re-written - I'll make sure this gets mentioned in the docs too and it's something we're investig...