: After updating, check your version by going to Misc → F/W Update and scrolling down to the version number. Firmware Update TX-NR646 & TX-NR747 (12-01-2020) - Onkyo
Related search suggestions will be generated. txnr646 firmware update 2021
By 2021, the TX-NR646 was already several years old. Many users assumed that Onkyo had stopped supporting the model. However, the company released a crucial maintenance update in (often colloquially referred to as the “2021 update” due to its widespread rollout timing). : After updating, check your version by going
DSP settings initialized. Fix: Re-run AccuEQ Room Calibration (microphone included with the receiver). : After updating