I'm attempting to use an MX-900 and MRF-350 to control an AVT-5841 Component switch. The IR is working, but not the RF. The RF is working to control the balance of the equipment in the system to include Denon, Sony, Panasonic, Scientific Atlanta, and TIVO.

I am seeing a flashing red light on the RFX-250 and the red light is flashing on the ir emitter on the face of the AVT switch. I tried moving the ir emitter away from the AVT and to different positions on the switch. No help.

I have learned the commands from the AVT remote both thru the PC and Standalone with no change in results.

I have tried more than one MX-900.

I would appreciate any suggestions.

Aloha

Only thing you didn't mention is if you adjusted the emitter intensity on the ir port and/or tested that emitter on another device. Try that and report back.

Sorry, I should have added, I adjusted the intensity, tested that emitter elsewhere, as well as tried different emitters on the AVT. All to no avail. Thanks for the question(s).

 What works for me when I have this issue is to use a Philips Pronto to learn the IR commands into then I use the Pronto to teach or send them to the URC remote.
Also I have taken a piece of black electrical tape and poked a small hole into it and place the tape over the IR receiver on the device. Then place the emitter over the pinhole on the electrical tape

Thanks for the suggestions. I can' find my Pronto, but I'll keep looking. I tried the tape, no go.

I just tried relearning the commands using different lengths of signal. When I tried the very short learn even the IR wouldn't work even though the remote said, Good!

Any other suggestions.

I'm not familiar with the switch you are using but are you 100% certain you are placing the emitter correctly? From the image I saw on their site it's not quite evident where the IR receiver is located. Take the thing apart and verify 100% unless you can actually see the receiver.

Good question. It is hard to determine. I've moved the emitter to all parts of the device, but it looks like it's on the left end when I use a light to look for the receiver.

What I would do to verify if its an RF issue or emitter placement is step back about 3 feet from the AVT switch then try a command. If the AVT responds then you know its just a matter of finding the correct placement.

I'm not sure I understand how that would help. It's not an issue of the unit receiving the IR command as it does. It's an issue of it receiving an IR command from the RF output from the remote. I can point the remote at the unit and have it respond to a command. I can try moving the emitter several feet from the unit....

That is what is being suggested. Also if all codes are discreet are you repeating them?
If you cant find your pronto then you can use a cheap Harmony. Its the only thing Harmony is good for.

They are also good as chew toys for dogs.

Can you try turning the blaster on and see if that will work?

I have a feeling it has to do with the emitter location. Thats the first thing that needs ruled out.
I looked up the AVT-5841 in hopes of finding some kind of schematic or documentation but I could find neither.

Use the book trick with IR and get a general location. then pinpoint it from there.
Once sure of the exact location revisit intensity.

I have used a few of those have found that if you pry off the front cover you will find that the ir receiver is bent down.. Carefully bend it back up and it will receive better..

Hope this helps.

If the MX900 will control the switch via IR you may have some interference being picked up by the emitter wire.


Try relocating the wiring run from the MRF350 to the emitter, and you may find that will solve the problem.



Ask me how I know....