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NEI! (Not Enough Information) I'll simply point you to the amateur radio repair yahoo group: http://groups.yahoo.com/group/Amateur-repairs That's the best place to ask such a question, but you better have a bit more information so people can help you.
Hi, You've prbably answered your query yourself. Having said that, try joining yahoo group specifically for the FT-8900, they will have more info for you.
Try powering the unit up while holding the Set/MHz button. I did that and it restored the display (and the rest of the radio's operation) back to normal.
The character codes are test-mode displays that correspond to frequencies (in MHz):
A0001-A0640 - 136.000-143.9875 in 12.5 KHz steps
B0001-B0400 - 144.000-147.990 in 10.0 KHz steps C0001-C2081 - 148.000-174.000 in 12.5 KHz steps
I haven't the foggiest idea why this isn't in the manual somewhere, or at least flipped back to normal by a two-key or three-key reset.
73,
k2mct
Not that I'm aware of, instead of backup battery, your unit has an EEPROM, which is the memory storage facility, and if this fails, then there's your answer, it will need replacement.
If this is the case and you're not technically minded, then take it to a 2-way radio service centre, preferably yaesu authorised, and have them make an assesment and give you a quote re: repairs, otherwise if you know any HAM RADIO operators out there, ask them to assist, it wiould cast far less that way.
Have you tired performing a general reset (see page 92 of your Operator's Manual). If you have tried this and still have had no luck, be sure that you have established a good ground to earth and that you are not getting a lot of RF back into your 920.
If you do not have a manual for your rig, one can be downloaded here http://www.download.n7tgb.net/yaesu/FT920/man_ft-920.pdf
You can also call Yaesu Tech Support for free/additional help at 714-827-7600, or join the Yahoo FT-920 User's Group at http://groups.yahoo.com/group/YaesuFT920/
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