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Date: Wed, 07 Aug 2013 10:30:14 -0400
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From: John Barrett <2thman1@gmail.com>
Subject: Re: [LML] Re: Chelton and TAWS

Hi Bob,

TAWS alive and well now.  I had an older Chelton ( in reality is was a Sierr=
a Flight Systems box) in MFD two position and newer Chelton as PFD.  Brent h=
ad updated the newer one to latest SW and latest terrain DB.  The older Chel=
ton had latest firmware version but I think older terrain DB.  Recently Bren=
t updated my 2nd newer Chelton and put in new terrain DB.  I installed it an=
d the problem with TAWS disappeared.  I thought PFD would push terrain DB to=
 MFD, but I guess this did not happen.  I figure competing DB versions threw=
 the Chelton/Pinpoint system into a quandary and it just failed the TAWS as a=
 result.

Thanks for your thoughtful input.

John

Sent from my iPad


On Aug 7, 2013, at 7:02 AM, Robert R Pastusek <rpastusek@htii.com> wrote:

> John,
>=20
> Several possibilities here. First, TAWS is definitely functional with the P=
inPoint ADAHARS.=20
>=20
> First possibility is that you don't have the displays identified correctly=
 as #1 and #2 in the setup. This is an important software setting that contr=
ols lots of functions, and correct switching/relay between multiple displays=
. Check this first as a potential source of both problems below. It gets a g=
ood bit more complex/involved after this...
>=20
> Bob
>=20
> -----Original Message-----
> From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of Joh=
n Barrett
> Sent: Sunday, August 04, 2013 5:38 PM
> To: lml@lancaironline.net
> Subject: [LML] Chelton and TAWS
>=20
> Has anyone else experienced TAWS failure with Pinpoint system and Chelton M=
FDs where the GPS and all other functions seem to be fine?   I don't really k=
now if I ever got TAWS with the pinpoint but am sure it was working fine whi=
le the X bow 500 was in play.  The problem may have been coincidental with t=
he changeover a few months ago but I am not certain.  My understanding to da=
te is that if you get GPS you should get TAWS.  One other anomaly discovered=
 is that selection of Menu on the MFD screen does not bring up the the FAULT=
S menu.  Again, all the other submenus are normal but faults is simply missi=
ng.
>=20
> Thanks
> John Barrett
>=20
> Sent from my iPad
>=20
>=20
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>=20
>=20
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