sorry ,i don't know where the files save.
Normally,the unit can save the stations you saved.
You first need to check the red wire and the yellow wire exchange.Does the unit display the power down information while the unit powering down?
If not,it means the red wire and the yellow wire exchanged.You need to exchange once more.
You can try to turn the AF function off.
RegardsStatistics: Posted by Jammy — Tue Jun 27, 2017 10:39 am
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