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Clearing a stuck D700 without resetting it [was Re: [aprssig] Re: D7 Problem]

Tom Russo russo at bogodyn.org
Fri Sep 29 01:01:11 UTC 2006


On Thu Sep 28, 2006 at 08:14:06PM -0400, Matt Hunter <Matt at 1-x.net> wrote:
> Robert,
> 
> I have ran into similar troubles before with my D700. Xastir and UI-View 
> have left the TNC in a mode that I was unable to recover from.
> A simple press of the red button (lower right hand corner) and it has 
> worked since.

Are you referring to the notorious D700 bug where it gets stuck in the 
"Opening TNC" state when the computer connection is lost while the 
D700 is reading a NMEA sentence from the GPS? 

If so, there is a way to clear that state without resetting the D700, and
a way to avoid causing it --- Xastir has had those commands in its startup 
and shutdown D700 configuration scripts for over two years, so it should be 
very rare now (as in, only when you have a computer crash or shut down without 
letting xastir go through its shutdown script, or you set it up to not use 
those scripts).

For an explanation, see:
  http://groups.yahoo.com/group/TMD700A/message/3207

I think this is a different problem than Robert and Andrew are describing 
(since Robert says that APRS mode works), but the D700 "Opening TNC" issue is 
easily fixed without resorting to a hard reset and losing all your programming.

> Robert Michaud wrote:
> >Andrew,
> >
> >I think I would like to check the connection before I send it in for 
> >repair. Is it hard or tricky to open up the D7?   Any thing to be cautious 
> >about?
> >
> >Robert
> >
> >----- Original Message ----- 
> >  
> >>Message: 3
> >>Date: Thu, 28 Sep 2006 17:12:19 +1000
> >>From: "Andrew Rich" <vk4tec at tech-software.net>
> >>Subject: RE: [aprssig] D7 Problem
> >>
> >>I lost the GPS on mine, opened it up and found a broken connection
> >>
> >>
> >>-----Original Message-----
> >>From: Robert Michaud [mailto:Michaud at ispwest.com]
> >>Sent: Thursday, 28 September 2006 4:45 PM
> >>Subject: [aprssig] D7 Problem
> >>
> >>
> >>I have been using my Kenwood D7 with UI-View for several years.  A couple 
> >>of days ago it stopped working; the TNC did not initialize.  I have sent my
> >>question to this sig and not the UI-view group because I don't thnk it is
> >>a UI-View problem.
[...]
-- 
Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/~russo/
Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 http://kevan.org/brain.cgi?DDTNM
"And, isn't sanity really just a one-trick pony anyway? I mean all you get is
 one trick, rational thinking, but when you're good and crazy, oooh, oooh,
 oooh, the sky is the limit!"  --- The Tick




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