| Problem | Likely Fix | |---------|-------------| | | Press Receiver first, then power. Check batteries. | | Volume controls TV instead of receiver | You’re in TV mode. Press Receiver again. | | Buttons work but feel sticky | Clean with 91% isopropyl alcohol. Open carefully if needed. | | Learned codes stop working | IR memory full? Clear all learned codes (press and hold Receiver + Enter for 5 sec until flash). | | Codes from manual don’t work | Try auto-search method; sometimes codes vary by revision. |
Whether you lost the original paper manual, bought a used receiver without the remote, or simply want to program your universal remote to replace this one, you have come to the right place.
If you own one of these systems, the remote will automatically control your receiver's volume, input switching, and zone configurations as soon as batteries are inserted. Battery Installation and Care
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To keep your Onkyo RC-799M in good working condition:
Bright fluorescent lights or direct sunlight hitting the receiver’s display window can interfere with IR signals. Try turning off nearby fluorescent lights. 3. How to Reset the RC-799M to Factory Defaults
Temporarily silences the audio. Pressing it again restores the volume. How to Program the RC-799M to Control Other Devices | Problem | Likely Fix | |---------|-------------| |
Weak batteries drastically reduce IR signal strength. Replace both batteries with fresh, high-quality alkaline cells.
The RC-799M is functionally identical to the RC-802M and RC-810M —their manuals work fine for 99% of tasks.
Your Onkyo RC-799M remote is typically packaged with just the remote unit itself. One thing to note is that . You will need to purchase two AA-size batteries separately to power the remote. Press Receiver again
The REMOTE MODE buttons at the top (Receiver, TV, etc.) must be pressed first to tell the remote which device you’re controlling.
First, let’s clarify what you are holding. The RC-799M is the standard-issue infrared (IR) remote control for several of Onkyo’s mid-to-high-end AV receivers manufactured during the late 2000s and early 2010s.