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ICOM Fr6100 + FR 5000 issue

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Aug 16, 2014
I have brand new ICOM Fr6100 + FR 5000

There work great stand alone
I have now hook them together on 25pin connector and audio from pin 8 to 9 and 9 to 8 and the Eppt and audio detect control to TX the other repeater.
all works fine but modulation is BAD , all base is missing but level is fine sound like all audio under 500 hz is missing

How can I fix that ?
73 from Iceland

This isn't a hard process to address... ICOM has a utility, that should be available to dealers, but for certain is available for ICOM Technical Support which corrects the NFM locked repeaters to open them back up for traditional 20.0/25.0 kHz operation.

In order for this to be addressed, the repeater must be physically connected to the computer with this application installed; this may mean shipping the repeater module to ICOM in Kirkland, WA if you have an unfriendly dealer locally.

Also, it should be noted that almost ALL NFM locked FR5000/FR6000 repeaters MUST have a complete calibration done on them as noted in the service manual; all current shipping product from ICOM is locked to NFM and therefore is only aligned to that specification. Taking service monitor and completing this process is not only good engineering practice when putting a repeater on the air, but it's 100% necessary for ANY unlocked narrowband device, including Motorola products such as the XPR repeaters.

Contact ICOM's technical support team, explain to them that you purchased a FR5000/FR6000 repeater module for amateur radio use and that you would like to have the cloning data unlocked for 20.0/25.0 kHz FM operation. They have the tools to help you; unfortunately that may mean a trip to Washington State via UPS.

Good luck and let me know if I can help; I have an FR5000 unit setup as a 2-Meter Remote base inside the same 2U rack as my IC-FR6000 UHF repeater, linked together with an S-COM 7330 along with AllStar, IRLP, and EchoLink. They really are great repeater modules and very flexible in what you can do with them; my link radio is also an UR6000 with a small flat-pack duplexer; cool setup and all network programmable with the installed UC-FR5000 IP cards.


Jerry, W2GLD
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