Your new DVR+ (CM-7500) receiver offers several digital audio features to enhance your enjoyment of many programs and events. Most of these options can be found under Menu > Settings > TV & Audio Setup > Digital Audio Setup :
1. Press MENU on the remote.
2. On the left, navigate to SETTINGS and press OK/SELECT.
3. Scroll the list of settings and highlight TV & Audio Setup, then press OK/SELECT
4. Scroll the list of items and highlight Digital Audio Setup, then press OK/SELECT.