1. Tapping on the dimension label will open the keypad
  2. In the keypad - tapping on the 'Lock' icon will lock the ratio - it means the other dimension will have the same aspect ratio
  3. You can choose which units to use from the 'Settings' panel - choose 'Design Units' and select your preferred units
  4. You can also turn off/ hide the dimensions labels by switching the 'Dimensions' button to OFF in the 'Settings' panel