Those settings can be easily accessed from the Settings panel. 




You will need to open the Settings pane.

[1] Select Device Settings from the left navigation column.

[2] Then select Quick Actions.

[3] You can adjust the brightness, and the contract of your Pen Display 16 by moving the selector switch to the left or the right until your desired level is reached.




If you have any other questions or would like to contact Customer Care, you can email them at CustomerCare@xencelabs.com.