Mark (or anyone on the list), is there a Kenwood manual that explains events
in the repeater concerned with muting, PL & DPL, etc.? I have successfully
controled DPL (Tone) on the transmitter to facilitate linking using digital
PL so that there's not tone transmitted unless there is a valid received
signal. It appears to be pretty clean, but one of the locals that uses
Motorola radios says something about the 46 Hz is missing....stands to
reason since I kill the tone as soon as the COS is dropped. I undestand
that during a normal transmitter unkey, there is "reverse burst" or 46 Hz
transmission or something like that to squelch compatible receivers.
Sure would like a clear explanation of that. If I knew what I was looking
for I might figure out how the signaling unit functions in that respect and
come up with a method to make a clean Motorola squelch sequence contolled by
COS.
Any help would be appreciated.
de WD7F
John in Tucson
----- Original Message -----
From: "N9WYS" <[EMAIL PROTECTED]>
To: <Repeater-Builder@yahoogroups.com>
Sent: Wednesday, October 25, 2006 5:32 PM
Subject: RE: [Repeater-Builder] TKR-820 PL Control
John,
Do you have the manual for this repeater? (Sorry - I've been only "kinda"
following this thread...) If not, I have it in PDF on my ftp server. Let
me know if you need access to it and I can set it up for you.
E-mail direct to:
n9wys <at> ameritech <dot> net
Mark - N9WYS
-----Original Message-----
From: Repeater-Builder@yahoogroups.com On Behalf Of WD7F - John in Tucson
Sent: Wednesday, October 25, 2006 2:27 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: TKR-820 PL Control
John P Slusser wrote:
> Thanks. I'm going to try that on the internal PLL unit. If that
> doesn't work I'll acquire an external encoder. I'm going to try to
> link using DPL and use PL for user repeater access. This will be a
> first for me. I was hoping that someone had in-depth experience with
> the Kenwood and might share a method.
>
> John in Tucson
I couldn't tell you which pin it is, but encode tone is available on one
of the connectors on the tone panel/controller board in the top of the
repeater (the board were the tone EEPROM is located). You should be able
to find it with the manual and either interrupt it, or pull it to ground
when no tone is desired. Then just bring the control line for that out a
spare pin on the molex on the back where everything else plugs in. There
is one or two that can be used.
--
Jim Barbour
WD8CHL
Rgr. I opened it up yesterday evening and found the enable on the module
responsible for encoding. And that signal originates in the tone panel as
you mention. I'm going to test that theory first. Also, I want to see how
disabling the PL will effect the squelch heard on a user's radio. I still
may elect to use an external encoder if my experiement is not so succssful.
Thanks.
WD7F
John in Tucson
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