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jayjay

2 Lectro Wireless on the same block?

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I've used Lectros for years but always had my lavs on separate blocks. Recently I was gifted a set that shares a block with one of my older sets.

Tried searching on the forum and found multiple people confirm that this is possible, but haven't found a clear solution to my problem:

 

I have 2x UCR401 receivers on the same block.

When I try to use both my transmitters at the same time (1x Lma & 1x UM400a), only one will work.

The Pilot symbol starts flashing on the one that cuts out.

 

Set #1:

UCR 401 (firmware v2.6, compat 400)

LMa

 

Set #2:

UCR401 (firmware v2.8, compat NU HYB)

UM400a

 

Any ideas?

Thanks in advance

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What frequencies do you have them tuned to?  As an aside the Freqfinder app is great for making sure all the channels play nice with each other.  (btw I have 9 units running in the same block, it's very manageable and convenient too) 

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25 minutes ago, thenannymoh said:

What frequencies do you have them tuned to?  As an aside the Freqfinder app is great for making sure all the channels play nice with each other.  (btw I have 9 units running in the same block, it's very manageable and convenient too) 

 

Great idea! thank you

10 minutes ago, Mirror said:

Here's an idea - try having them tuned to DIFFERENT frequencies.

 

Yes, they were tuned to different frequencies.

I thought randomly setting them far apart on the block would help them play nicely together.

It turns out the solution was READING THE F'ING MANUAL.

 

Quote

Groupings of compatible frequencies have been cre-ated to minimize intermodulation problems in multiple channel wireless systems.

Pre-coordinated frequencies within each block are arranged in four groups (Grp) as shown at right.Example: Block 22The uppermost eight frequencies comprise Grp a, the eight just below them comprise Grp b, and so on.Grp a and Grp b are compatible with one another.Grp c and Grp d are compatible with one another.There is no assurance that the upper 16 (a,b) are compatible with the lower 16 (c,d)

https://www.lectrosonics.com/US/phocadownload/ucr411aman.pdf

 

Which I just tried, and lo-and-behold, it worked.

One is on a Group a freq. One on a Group b freq. They play nice together.

 

But it was worth looking like a dumbass to learn about Freqfinder.

Thanks

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