[1000mp] Auto Tuner Problem

Cliff Buttschardt k7rr at arrl.net
Sun Apr 17 12:04:49 EDT 2005


Jim Bryant wrote:
> I am using a 1000MP (Not MkV) and due to a lack of real estate, use a half
> size G5RV antenna. The antenna will tune up on all bands from 7MHz up using
> the 1000MP Auto-Tuner.
> 
> Yesterday I made some alterations to my antenna and went to check that the
> FT-1000MP would still tune up OK.
> First of all, I cleared the Auto-Tuner memories and went through each band
> attempting to tune 2 spot freqs in each band using the TUNE button.
> 
> The auto tuner had no problems on 7MHz band but on all other bands the 
> tuner
> showed HIGH SWR and shut down. The strange thing is, if I just select TUNER
> but do not press the TUNE button, then hold the key down, the tuner does 
> its
> stuff and I get a very low SWR indication after about 3 seconds on all
> bands. If I now press the TUNE button to memorize the setting, it gives me
> the HIGH SWR again and shuts down.
> 
> I do not remember having this problem before and wonder if anyone could
> assist me with this problem.
> 
> Regards
> 
> Jim Bryant M0JWB
> 
> Portishead, UK
> 
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> 
> 
Jim, I've notice EXACTLY the same thing!  The rig was new to me so I 
thought I was doing something wrong.  So much so that I bought a new set 
of relays that switched in the antenna tuner.  Shortly thereafter I 
bought new changeover relay thinking that there certainly is something 
amiss.  I've not reached a conclusion on the changeover relay but 
certainly will advise if that seems to be the solution!   Cliff K7RR


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