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JR Tx Won't enter Programming mode

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Old 08-20-2003, 01:52 AM
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ZachK
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Default JR Tx Won't enter Programming mode

I have a JR 421ex 5 channel computer radio, and I noticed today that it won't enter the programming mode (usually entered by pushing up on the two little input switches). It also will not enter the system mode (entered by pushing the switches up while powering up the tx ). Otherwise, the radio works fine, but it kinda scares me that I can't go in and edit any of my settings. Anyone else ever experience this problem with this radio? Any thoughts?

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Zach
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Old 08-20-2003, 03:40 AM
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Lee Belew
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Default JR Tx Won't enter Programming mode

The little contacts on the button sometimes oxidize. I saw an 8103 do this. I make them working by continually pressing them.
Stay with it. If this doesn't work it is then a trip to Horizon Hobbies.

Good Luck
Lee
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