Ruby2 Hardware Installation Guide
10.Plug the AC Power Cord into the other end of the power brick. Plug
the power brick into an electrical outlet.
Note:
During operation, avoid blocking the perimeter of the Ruby2 touch screen
with any objects, including paper and hands, as they can block the sensors
and prevent the touch screen from operating properly.
12
To prevent loss of data and to ensure that the battery pack is
fully charged, the Ruby2 should be powered up for at least 24
hours prior to initial application download.
October 01, 2013