Dittel 833 radio

[David Crowson]

I am just about to buy a Dittel (now TQ) KRT2 radio, has anyone any
experience good or bad with one of these?

[Martin Gregorie[_6_]]

On Sun, 18 Mar 2018 10:36:28 +0000, David Crowson wrote:

> I am just about to buy a Dittel (now TQ) KRT2 radio, has anyone any
> experience good or bad with one of these?

I've been using one since 2004. I had some initial problems, but since
then its been working well.

My only niggles are with the manual:

- the wiring diagram is wrong in my copy. If you wire up a bare D-15 plug
following the manual instructions rather than using the supplied one,
which has a tiny prefitted PCB in it you may find that the radio will
only transmit unmodulated carrier wave.

- the instructions for updating stored preset frequencies in my copy of
the manual are wrong, but LX Aviation were able to send me corrected
instructions

Apart from that, I'm happy with mine, especially its ability to monitor a
pair of frequencies.


--
Martin | martin at
Gregorie | gregorie dot org

[Roy B.]

I just ordered one. Hope it's good It was a toss up between that and the Trig radio. But the KRT2 has an adapter plug that allows a direct connection to my old FSG 2T harness and uses the same dynamic microphone. Neither was the case with the Trig which required a new harness (or plug) and microphone.
ROY

[Ross[_3_]]

I have probably installed 30 of them, and have a good friend that has done more.
He won´t do another.
Not that they are a bad radio, but the quality issues are crazy.
Some work, some don´t. It all depends which day they were made I guess..
If you get a good one, you will be happy.

[David Crowson]

At 18:36 18 March 2018, Ross wrote:
>I have probably installed 30 of them, and have a good friend that has
done
>=
>more.
>He won=C2=B4t do another.=20
>Not that they are a bad radio, but the quality issues are crazy.
>Some work, some don=C2=B4t. It all depends which day they were
made I
>guess=
>..
>If you get a good one, you will be happy.
>Thanks for that, unfortunately I am an old fart so I missed some of
the finer points of your text speak

[Bob Gibbons[_2_]]

On Sun, 18 Mar 2018 10:36:28 +0000, David Crowson
> wrote:

>I am just about to buy a Dittel (now TQ) KRT2 radio, has anyone any
>experience good or bad with one of these?

I replaced my Dittel FSG71m in mid-2016 with the KRT2. As others have
mentioned, one feature was the adaptor available to allow me to use my
existing wiring harness directly.

No issues, very nice radio. I did need to wire up a special harness to
allow downloading of the 100 channel memory from my computer (though
you could to this from the front panel if you had the patience.

Bob

[John Wells[_2_]]

I like mine, David -- it was comparatively good value for money. The
UI isn't great (I can never remember which combination of buttons
and twists does what, but that's a general gripe with most 57mm
glider instruments these days).

The best feature in my view is the ability to remote control it -- I can
set frequencies from within XCSoar, which makes the radio much
more usable. Other head units such as the AIR avionics can remote
control it too.

The Trig is more popular at our club, but I couldn't find a way to
remote control it.



At 21:22 18 March 2018, Bob Gibbons wrote:
>On Sun, 18 Mar 2018 10:36:28 +0000, David Crowson
> wrote:
>
>>I am just about to buy a Dittel (now TQ) KRT2 radio, has anyone
any
>>experience good or bad with one of these?
>
>I replaced my Dittel FSG71m in mid-2016 with the KRT2. As others
have
>mentioned, one feature was the adaptor available to allow me to
use my
>existing wiring harness directly.
>
>No issues, very nice radio. I did need to wire up a special harness
to
>allow downloading of the 100 channel memory from my computer
(though
>you could to this from the front panel if you had the patience.
>
>Bob
>

[Martin Gregorie[_6_]]

On Wed, 21 Mar 2018 11:58:26 +0000, John Wells wrote:

> I like mine, David -- it was comparatively good value for money. The UI
> isn't great (I can never remember which combination of buttons and
> twists does what, but that's a general gripe with most 57mm glider
> instruments these days).
>
I can't use the .NET-based program Dittel supply to up/down load the
preset frequency list because it won't run on Linux, so I'm writing my own
program. I have a suitable wiring harness built and a specification of
the protocol used for these uploads and downloads, but I don't know know
the serial port settings on the radio.

Can anybody tell me what baud rate, parity and stop bits setting the the
KRT2 uses (pins 2,13 plus ground - same as it uses to talk to a remote
head).


--
Martin | martin at
Gregorie | gregorie dot org

[John Wells[_2_]]

At 16:18 21 March 2018, Martin Gregorie wrote:
>On Wed, 21 Mar 2018 11:58:26 +0000, John Wells wrote:
>
>> I like mine, David -- it was comparatively good value for money. The UI
>> isn't great (I can never remember which combination of buttons and
>> twists does what, but that's a general gripe with most 57mm glider
>> instruments these days).
>>
>I can't use the .NET-based program Dittel supply to up/down load the
>preset frequency list because it won't run on Linux, so I'm writing my
own
>program. I have a suitable wiring harness built and a specification of
>the protocol used for these uploads and downloads, but I don't know know
>the serial port settings on the radio.
>
>Can anybody tell me what baud rate, parity and stop bits setting the the
>KRT2 uses (pins 2,13 plus ground - same as it uses to talk to a remote
>head).
>
>
>--
>Martin | martin at
>Gregorie | gregorie dot org
>

9600 8N1 works for me.

[Martin Gregorie[_6_]]

On Thu, 22 Mar 2018 00:08:36 +0000, John Wells wrote:

> 9600 8N1 works for me.

Thanks.



--
Martin | martin at
Gregorie | gregorie dot org

[okko kloosterman]

Martin,

A few years ago I have downloaded a document about the RS232 serial
interface of the KRT2 (it's from AirPlus, but I can't retrace the
source). It says the data rate is 9600bd, 8 bit, no parity, no handshake.
I will sent the document to you by e-mail.

Okko Kloosterman
Netherlands



Op 21-3-2018 om 17:18 schreef Martin Gregorie:
> On Wed, 21 Mar 2018 11:58:26 +0000, John Wells wrote:
>
>> I like mine, David -- it was comparatively good value for money. The UI
>> isn't great (I can never remember which combination of buttons and
>> twists does what, but that's a general gripe with most 57mm glider
>> instruments these days).
>>
> I can't use the .NET-based program Dittel supply to up/down load the
> preset frequency list because it won't run on Linux, so I'm writing my own
> program. I have a suitable wiring harness built and a specification of
> the protocol used for these uploads and downloads, but I don't know know
> the serial port settings on the radio.
>
> Can anybody tell me what baud rate, parity and stop bits setting the the
> KRT2 uses (pins 2,13 plus ground - same as it uses to talk to a remote
> head).
>
>

[Roger Burghall[_2_]]

At 16:18 21 March 2018, Martin Gregorie wrote:
>On Wed, 21 Mar 2018 11:58:26 +0000, John Wells wrote:
>
>> I like mine, David -- it was comparatively good value for money. The UI
>> isn't great (I can never remember which combination of buttons and
>> twists does what, but that's a general gripe with most 57mm glider
>> instruments these days).
>>
>I can't use the .NET-based program Dittel supply to up/down load the
>preset frequency list because it won't run on Linux, so I'm writing my
own
>program. I have a suitable wiring harness built and a specification of
>the protocol used for these uploads and downloads, but I don't know know
>the serial port settings on the radio.
>
>Can anybody tell me what baud rate, parity and stop bits setting the the
>KRT2 uses (pins 2,13 plus ground - same as it uses to talk to a remote
>head).
>
>
>--
>Martin | martin at
>Gregorie | gregorie dot org
>
Could you say where to find a specification of the protocol please? Like
you I have a KRT2 and am a Linux user (Ubuntu 16.04 at present).

Thanks.