I just received a new duovip222k receiver and have a strange question. This receiver turns off by itself in the middle of the night. I finish watching TV in the evening and turn off the TV and leave the receiver on (double checking to make sure the receiver is still on). When I wake up in the morning, the receive is off (the lights are not on). I wonder if there is a sleep mode setting activated in the receiver when it was installed. Is there a way to override this so the receive remains on?