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How much is a 710 head and can you buy them separate with remote
brackets? Neat!<br>
<br>
Ronny K4RJJ<br>
<br>
Robert Bruninga wrote:
<blockquote cite="mid:D5BF65B0B9404E1C8A536F7095E8C024@ewlab.usna.edu"
type="cite">
<pre wrap="">Its done!
The D710 Display Head works on an old $88 Alinco HT! See
photos:
<a class="moz-txt-link-freetext" href="http://www.aprs.org/D710-HT.html">http://www.aprs.org/D710-HT.html</a>
With 1000 mAH nicads it will run about 3 hours.
Ill bring it to DCC.
Bob, WB4APR
</pre>
<blockquote type="cite">
<pre wrap="">-----Original Message-----
From: <a class="moz-txt-link-abbreviated" href="mailto:aprssig-bounces@lists.tapr.org">aprssig-bounces@lists.tapr.org</a>
[<a class="moz-txt-link-freetext" href="mailto:aprssig-bounces@lists.tapr.org">mailto:aprssig-bounces@lists.tapr.org</a>] On Behalf Of Robert
</pre>
</blockquote>
<pre wrap=""><!---->Bruninga
</pre>
<blockquote type="cite">
<pre wrap="">Sent: Wednesday, September 24, 2008 6:47 PM
To: 'Stephen H. Smith'; 'TAPR APRS Mailing List'
Subject: Re: [aprssig] RC-D710 APRS display head on an old
</pre>
</blockquote>
<pre wrap=""><!---->IC-2AT HT
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">1) What is this diagram trying to say?
</pre>
</blockquote>
<pre wrap="">Sorry, I had the PG-5J mini-din on there just so I could see
what I was doing in tracing out the same signals as they
</pre>
</blockquote>
<pre wrap=""><!---->appear
</pre>
<blockquote type="cite">
<pre wrap="">on the RJ-45 that goes to the RC-D710 Display Head. Now that
they are traced, I don't need the PG-5J and can just interface
the D710 Display Head to the HT via only the RJ-45 and a clean
source of 9-11 VDC.
</pre>
<blockquote type="cite">
<pre wrap="">Does the D710 head have a 6-pin Mini-DIN
connector on it? Or is it the RJ-45 plug?
</pre>
</blockquote>
<pre wrap="">It's the RJ-45 is all you need.
</pre>
<blockquote type="cite">
<pre wrap="">(The Mini-DIN pinout looks like the standard
used on many Kenwood/Icom/Yaesu radios with
the mini-DIN "packet/data" connector on them.)
</pre>
</blockquote>
<pre wrap="">Yes, that is why you can plug the RC-D710 APRS display head
</pre>
</blockquote>
<pre wrap=""><!---->into
</pre>
<blockquote type="cite">
<pre wrap="">ANY such modern radio and get the full D710 APRS display
functionality on any radio.
</pre>
<blockquote type="cite">
<pre wrap="">Does this mean a standard mini-DIn-6-to
mini-Din-6 KVM cable will connect the radio
TX/RX/DCD/PTT signals (but not DC power) to
the head ?
</pre>
</blockquote>
<pre wrap="">Yes, and that is all the $80 PG-5J interface is, a connector
</pre>
</blockquote>
<pre wrap=""><!---->box
</pre>
<blockquote type="cite">
<pre wrap="">and a 10V regulator.
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">Wow, a handheld D710.
I just noticed that the RC-D710 APRS display head has a
</pre>
</blockquote>
</blockquote>
</blockquote>
<pre wrap=""><!---->spec
</pre>
<blockquote type="cite">
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">voltage of 9 to 11 volts. Since 8 nicads would give 8.8
</pre>
</blockquote>
</blockquote>
</blockquote>
<pre wrap=""><!---->to
</pre>
<blockquote type="cite">
<pre wrap="">11.2
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">volts, I think I will give it a try.
8 NiCd's taped to the back of the Display Head, will let
</pre>
</blockquote>
</blockquote>
</blockquote>
<pre wrap=""><!---->me
</pre>
<blockquote type="cite">
<pre wrap="">use
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">it with any HT (without having to purchase the $80 PG-5J
interface which contains the 10 volt regulator) Maybe.
Anyone done this? Here is my schematic I am working on:
<a class="moz-txt-link-abbreviated" href="http://www.ew.usna.edu/~bruninga/aprs/RC-D710-connx-pwr.GIF">www.ew.usna.edu/~bruninga/aprs/RC-D710-connx-pwr.GIF</a>
Bob, WB4APR
</pre>
</blockquote>
<pre wrap="">
--
Stephen H. Smith wa8lmf (at) aol.com
EchoLink Node: 14400 [Think bottom of the 2M band]
Home Page: <a class="moz-txt-link-freetext" href="http://wa8lmf.com">http://wa8lmf.com</a> --OR--
</pre>
</blockquote>
<pre wrap=""><a class="moz-txt-link-freetext" href="http://wa8lmf.net">http://wa8lmf.net</a>
</pre>
<blockquote type="cite">
<pre wrap="">World Digipeater Map
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/APRSmaps">http://wa8lmf.net/APRSmaps</a>
JavAPRS Filter Port 14580 Guide
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/aprs/JAVaprsFilters.htm">http://wa8lmf.net/aprs/JAVaprsFilters.htm</a>
"APRS 101" Explanation of APRS Path Selection & Digipeating
<a class="moz-txt-link-freetext" href="http://wa8lmf.net/DigiPaths">http://wa8lmf.net/DigiPaths</a>
Updated "Rev H" APRS <a class="moz-txt-link-freetext" href="http://wa8lmf.net/aprs">http://wa8lmf.net/aprs</a>
Symbols Set for UI-View,
UIpoint and APRSplus:
</pre>
</blockquote>
<pre wrap="">
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</pre>
</blockquote>
<pre wrap=""><!---->
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</pre>
</blockquote>
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