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Date: Mon, 19 Aug 2013 14:35:16 -0400
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From: John Barrett <2thman1@gmail.com>
Subject: Re: [LML] Re: Compass calibration

Thanks Dan.  I think that's what I need to do.

Regards,
John

Sent from my iPad


On Aug 19, 2013, at 9:40 AM, Dan Ballin <dballin@gmail.com> wrote:

> Not sure if anyone answered the Trutrak question, but yes there is a
> magnetic calibration for the trutrak that is in the setup menu and the
> manual.  It is used - I believe- as a backup when there is no GPS or
> Nav signal and in "track" mode.  If you have any questions call
> Trutrak.  They know their equipment and are always helpful.
>=20
> Dan Ballin
> Legacy N386DM
>=20
> On Sun, Aug 18, 2013 at 7:45 AM, Danny <danny@n107sd.com> wrote:
>> I've had the errant output from time to time too.  When I checked my syst=
em
>> I found a tiny bit of moisture in the lines that had collected at a low
>> spot.  After removing the moisture, the error disappeared.  I now check t=
he
>> lines periodically.
>>=20
>> Danny
>> LNC2-360 Mk-II
>> Nothing is foolproof to the sufficiently talented fool.
>>=20
>> -----Original Message-----
>> From: John Barrett [mailto:2thman1@gmail.com]
>> Sent: Friday, August 16, 2013 4:24 PM
>> To: lml@lancaironline.net
>> Subject: [LML] Re: Compass calibration
>>=20
>> Speaking of calibration I have been meaning to ask a burning question abo=
ut
>> Tru Trak a/p.  mine is confused about heading.  It is usually 30 degrees o=
r
>> more off of actual heading.  Is there a calibration mode for the A/P?
>>=20
>> My device not infrequently messages that it wants to shut off and some ti=
mes
>> it does.  At other times it has introduced errant output to the point I h=
ave
>> to disconnect to avoid making unwanted attitude changes.  A few times I'v=
e
>> had it not want to let go and I have had to do the equivalent of popping t=
he
>> c/b.
>>=20
>> It seems to be doing this less and less and maybe the a/p heading is
>> gradually getting closer to the Cheltons.
>>=20
>> Any thoughts?
>>=20
>> John Barrett
>>=20
>> Sent from my iPad
>>=20
>>=20
>> On Aug 16, 2013, at 11:42 AM, "Dan Schaefer" <dfs155@roadrunner.com> wrot=
e:
>>=20
>>> By the way all, be aware that in many parts of the country, the magnetic=

>> field lines have shifted enough to change runway numbers. my home field
>> (KCOE, Coeur d'Alene, Idaho) had to renumber the runways recently - Rnwy
>> 1/29 became 2/20 and 5/23 became 6/24. Be sure to check whether the airpo=
rt
>> where you do your calibration has changed recently and if field compass r=
ose
>> (if there is one) has been updated to match it or you will mis-calibrate
>> your compass.
>>>=20
>>> Dan Schaefer
>>>=20
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>=20
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