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Topic:
URC MRF-350 IR level adjustment
This thread has 3 replies. Displaying all posts.
Post 1 made on Thursday November 11, 2021 at 12:46
baysailor
Lurking Member
Joined:
Posts:
January 2013
2
I was wondering how to manually adjust the IR levels. I see openings for each but don't know if there is a special tool or how to go about adjusting the levels.

I am using a URC MX-450 along with it.

I tried searching but didn't find an answer.

Thank you
Post 2 made on Friday November 12, 2021 at 09:01
Brad Humphrey
Select Member
Joined:
Posts:
February 2004
2,238
You use a small flat tip screw driver. The potentiometers are recessed deep.

The MRF-350 came with a small plastic black screwdriver in the box, to adjust them. But any small 3/32" or 1/8" flat tip screw driver will work.
OP | Post 3 made on Friday November 12, 2021 at 15:37
baysailor
Lurking Member
Joined:
Posts:
January 2013
2
Thanks,
I am hoping my MRF-350 actually works, so far I have not been able to get it to control any device.

When I set it up I changed the RF ID to 0 to check for RF interference which I didn't get any. I then set up the base ID and the ID on the remote to be the same. I changed the remote to only output RF and thought I would see the RF light on the RFX-260 light up but it didn't.

I also tried to find if there is any kind of reset for the MRF-350 but could not find any information.
Post 4 made on Saturday November 13, 2021 at 09:06
Brad Humphrey
Select Member
Joined:
Posts:
February 2004
2,238
When you press a button on the MX-450, does the red transmit light blink on the screen (upper right on screen)? If not, the remote isn't sending anything.

It could be the RFX-250 antenna module. Or it could be the MX-450. RF boards failing in URC remotes is a thing (especially if it has ever been dropped), the rest of the remote would still work fine.

It sounds like you are following the installation manual for troubleshooting. If you have done all those steps, then it does sound like you might have a hardware defect somewhere. Product substitution would be the next step but of course it requires you to have extra products.

I would go back over your remote settings one more time. Set the MRF-350 to ID 0, set the MX-450 to RF remote ID 0, make sure the other RF settings under 'RF Setup' are set to "All Devices Set Same" and "All Lines". Make sure when you press a button on the remote, the red transmit indicator is flashing on the remote.
If you do all that and you get no flashing RF light on the RFX-250, then it certainly sounds like something is defective.


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