It was introduced a few weeks ago, along with in-bus voice announcements of bus stop names.
Here is an article about it, written by "Land Transport Guru" (formerly "Public Transport Wordpress"):
http://landtransportguru.net/new-bus-announcement-system-and-driver-display-unit/
Personally, I feel that the introduction of this "new BC machine" may be an indication of how the twenty-six bus routes of Bulim GCM would be implemented.