If you haven't done so already, definitely give Outlaw a call (1-866-688-5292). It sounds to me like you may have a problem with your unit causing it to lose and re-acquire the digital audio signal. Aside from perhaps a component failure, has anything been changed recently in your system? If the unit doesn't have proper ventilation, overheating might cause something like this.

------------------
gonk -- Saloon Links | Pre/Pro Comparison Chart | 950 Review