[1000mp] Mark V Field AGC Swamping and SSB Filter Setting Fixed via Hidden Menus!

htankin at comcast.net htankin at comcast.net
Sat Jun 12 12:16:42 EDT 2004


Master re-set did not solve the problem.

Yes, the radio was used but appeared to be in mint physical and operational condition.


> Did you happen to buy this radio used?????
> 
> Did you do a Master Reset when you first got it?
> 
> 
> 
> 
> 
> 
> 
> --- htankin at comcast.net wrote:
> > For all of those who've been reading (forced or out of curiosity) my
> > tales of 
> > woe regarding my Mark V Field I have good news...well maybe good for
> > you and great for me.
> > 
> > My Field was experiencing incredible AGC swamping from strong sigs as
> > far away as 5 to 7 or more Kcs.  I could not believe this was a
> > design fault.  There had to be another cause...either pilot error on
> > my part with respect to menu 
> > settings or something else.
> > 
> > In addition to that problem I could not get decent SSB receive audio
> > with menu 
> > 5-0 SSB R set to OFF..which defaults the stock 2.4 filters to the NOR
> > position 
> > and the optional 2.0 filters to the NAR1.  Received audio was
> > severely 
> > constrained..as if it was being affected by a narrow CW filter. 
> > Nothing I could 
> > do with the menu settings would fix this with the exception of
> > setting menu 5-0 to 8.2-455 which puts the 2.4 kHz 8.2 IF filter in
> > through position, and the 2.4 kHz 455 in the 6 kHz position.  The
> > power of deduction got me to realize this setting was providing such
> > wide bandwidth that an offending signal 5 kcs away would pose a
> > problem.
> > 
> > Okay..so Einstein here figured out what was causing the AGC
> > swamping...but how do I fix the problem with the menu 5-0 SSB R
> > filter settings?  Contacted Yaesu tech support..they were stumped! 
> > Chip M tried to help, but no luck.  I was depressed!
> > 
> > Well tonight I "Googled" Mark V Field and came across a site that had
> > menu 
> > settings for the Field..Okay..no big deal, except the list included A
> > SLEW OF HIDDEN MENU SETTINGS for menu items 9-0 through 9-9.  The
> > site had listings of default settings.  Menu item 9-0 allows for
> > adjustment of the offset for the stock 2.4 Collins Mechanical Filter.
> >  Once I punched in the code to get into these menus for my Field, I
> > discovered the receive SSB settings under 9-0 were way out of whack! 
> > They were set at F 1.60 and I adjusted down to F 0.15 each for LSB
> > and USB. The differnece was amazing..night and day.  The NOR/NAR1
> > bandwidth settings now work fine with menu 5-0 set to OFF.
> > 
> > Subsequently, the AGC swamping is now virtually gone as well!
> > 
> > For those of you interested in getting into these HIDDEN MENUS do the
> > following:
> > 
> > (1) Turn off the Mark V Field
> > (2) Hold down the FAST and LOCK buttons and turn on the rig
> > (3) Then push FAST and ENT as you would to enter the menu system.  
> > 
> > You can then go to menu items 9-0 thrugh 9-9
> > 
> > By the way, I believe 9-8 displays date the radio was made at the
> > factory.
> > 
> > The URL for where I found this info is   
> > 
> > www.otterbein-inet.de/ft1000.htm
> > 
> > 
> > Harry WE1X
> > 
> > _______________________________________________
> > 1000mp mailing list
> > 1000mp at mailman.qth.net
> > http://mailman.qth.net/mailman/listinfo/1000mp
> 
> 
> =====
> Harry - AB2PN
> 
> -
> 
> 
> 	
> 		
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