GE Industrial Solutions Millennium II Controller J85501P-1 - Manual (Page 36)

Basic Installation and User’s Guide for the Millennium II Controller
Issue 3 January 2008 36
assembly is compatible to existing GPS cabinet doors and is functionally backwards
compatible to the Millennium. It looks very similar to the L51 option. LCD assembly, but
the L52 also provides a built-in audible alarm and digital contrast adjust that are only
available when used with the Millennium II controller.
Figure 4-5: Controller Front Panel Displays
Figure 4-6: Detailed Controller Front Panel Display – L51/52