For music and home theatre lover seeking pure A/V quality, the versatile DTR is a mouth-watering prospect. With the absolute latest in A/V processing and. Firmware Update for the DTR To update the firmware turn off the power supply to the A/V receiver until it is time to restart it. -‐ Depending on the . Supports Integra Remote for Android version: or later;. *it is also. This unit does not power on and is being sold AS IS. Unable to test further, may have unknown issues we are not aware of. Sold AS-IS for parts / repair only.