Thank you for raising your concern, @Clif001.
We'd be more than happy to further assist you with this.
In this instance, this support article about setting up your preferred screensaver might help you as it includes how to set the time frame of your choice.
If you have further clarifications, please don't hesitate to let us know. Hope this helps!
Best regards,
Carly
Carly Y.
Roku Community Moderator