GalaxyPro, Digital Billboards, DVX, GP3, GP4, DB-4000, DB-4100, DB-4200, DB-5000
How to Perform a PLR Self Test
This video explains how perform a self test on a Pro-Link Router, or PLR, found in some Daktronics displays. PLR's can be found in GalaxyPro GP3, Billboard 4000 and above series and DVX/DVN displays. The PLR is responsible for sending signal to the display modules. Performing a self test can help to identify if the PLR is working properly or has any failures that need to be addressed.