Unable to Record, or change channel.
Two events and being recorded and a third recording is trying to be setup, or there are two events and you are trying to view live TV. Both of the tuners are already in use.
By only recording two things at once, or recording only one event while watching a live event at once. Pay attention to the 'Early Start' and 'Late Stop' settings.
CM-7500TB1 CM-7500GB16 CM7500GB16 CM7500TB1 CM-7500 CM7500