Yes!
You are overlooking the fact that the ARB does absolutely nothing except
enable keying a device (amp) with a different voltage level than the
keying
device (transceiver) can handle AND the amp and Orion do not have
different voltage levels.
THERE IS ZERO VALUE IN USING THE ARB!
What smoked? The Centurion or the Orion?
The Orion can also key an amplifier using the traditional single keying
line
method.
It has no problem keying the centurion with a single line.
Simply connect that line to the PTT/VOX jack on the Centurion as shown in
figure 1-3 on page 1.6.
This should get it working for SSB. BTW, the CONROL MODE switch of the
Centurion must be set in the PTT/VOX position for this to work. AND if I
recall correctly, you also have to go into the menu in the Orion and tell
it
to use this mode. See the manual on this.
To work CW, the Centurion manual (paragraph 1-2) describes the procedure
for
break in, but it involves using the TX enable keying circuit which I
think
is burned up. So that is not going to work. And the ARB certainly will
be
of no help here!
In fact the ARB is USELESS for newer equipment.
You only need it for keying very old amps.
Unfortunately Ameritron/MFJ hypes the value of the ARB far beyond
reality.
It has no means of addressing keying timing issues, which older devices
also
have.
So in reality, in cases where it is needed, it only handles half of the
job.
Of course the best solution is to repair what has burned up.
73 - Rick, DJ0IP
(Nr. Frankfurt am Main)
-----Original Message-----
From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of mcelmer1
Sent: Monday, March 30, 2015 2:16 AM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Centurion
Let me try this again.
The my Orion 1, TX EN/TX OUT, both 1 & 2 will not key the Centurion -
some
component in that circuit smoked this morning.
So, why not use the ARB to key the Centurion? Or am I overlooking another
source on the Orion to key the Centurion?
Miike
----- Original Message -----
From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Sent: Sunday, March 29, 2015 15:32
Subject: Re: [TenTec] Centurion
> Why are you wanting to use that?
> What transceiver are you using it with?
> The Centurion does not need any MFJ stuff to be keyed properly from a
> Ten-Tec transceiver.
> It's useless baggage!
>
> The ARB 704 is intended for using a newer transceiver with an old amp
that
> has a T/R relay with high voltage.
> It is totally useless and excess to your needs if you have a newer amp
and
> newer transceiver.
>
> 73 - Rick, DJ0IP
> (Nr. Frankfurt am Main)
>
> -----Original Message-----
> From: TenTec [mailto:tentec-bounces@contesting.com] On Behalf Of
mcelmer1
> Sent: Sunday, March 29, 2015 10:24 PM
> To: Discussion of Ten-Tec Equipment
> Subject: [TenTec] Centurion
>
> I want to interface a ARB 704 with the Centurion but can not figure out
> where to connect the ARB.
>
> Do I use the Key In or Key Out RCA's on the Centurion?
>
> Mike
> W8TRN
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