Magnum Dynalab FT-R

I recently picked up this unit and it works great but one thing.When using the tuning buttons to search for stations it clicks.Is this normal?.Everything works but the clicking sound.
The FT-R is just a remote to work with one of Magnums tuners equipped for it. I would call or drop them an email. They have always answered my email inquirys promptly. It also could be tuner dependent. Which model tuner are you using it with?
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LOL I thought the item was defective but when it came out it was "cutting" edge....