How to fix "SD: Screensaver UI is not properly scaled" issue from certification

Issue / Problem / Symptom

Channel received following cert results: Required: SD: Screensaver UI is not properly scaled. 

Screensaver UI is improperly scaled in SD Mode.

Environment

Sample Roku Models that support SD Mode:

2710
2720

Fix / Answer

Unless you have designed your screensaver to adjust to each screen size automatically, update the ui_resolutions line in your manifest file to read: 

ui_resolutions=hd

Also, make sure there is a blank line at the end of the manifest file. 

Additional Resources

To place device in SD mode:

Place Roku device that supports SD Mode into 4:3 or 16:9 (420p) mode via Home > Settings > Display type.