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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>This question comes up once in a while. VE3LU is correct.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>The only reason a crystal pack is needed, or useful, is if you’re not using an SB3XX receiver. With a Heath receiver, you can choose between split and transceiver by using the “Locked-Unlocked” switch. The function switch, part of the on-off switch, should always be on Transceive when using the Heath receiver, and Transmit only when using the crystal pack.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Take it from me; I’ve been using a SB401/303 combo without crystal pack since I built them in 1970, and still have them on the air regularly!<br><br>Ron K2RP<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Heath [mailto:heath-bounces@puck.nether.net] <b>On Behalf Of </b>Guy Giacopuzzi<br><b>Sent:</b> Thursday, March 03, 2016 10:41 AM<br><b>Cc:</b> heath@puck.nether.net<br><b>Subject:</b> Re: [Heath] SB 610 and SB 401 questions<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I don't think that's right...because I've run split....and I don't have the xtal pack....<br>Guy,<br>WA6OQQ<o:p></o:p></p><div><p class=MsoNormal>On 3/3/2016 5:36 AM, Mark Johnson wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>Yes and no. You can use the SB 401 without the crystal pack if you operate with the SB 300, SB301 and SB303 receivers, with the pair in transceiver mode on the same frequency. If you ever want to operate in "split" mode, the SB 401 using its own LMO to control the transmit frequency, then you need the optional crystal pack.<o:p></o:p></p></div><div id=AppleMailSignature><p class=MsoNormal><o:p> </o:p></p></div><div id=AppleMailSignature><p class=MsoNormal>And yes, if you use the SB 401 without a Heath receiver, the you also need the crystal pack.<o:p></o:p></p></div><div id=AppleMailSignature><p class=MsoNormal><o:p> </o:p></p></div><div id=AppleMailSignature><p class=MsoNormal>Mark<o:p></o:p></p></div><div id=AppleMailSignature><p class=MsoNormal>VE3LU<br><br>Sent from my iPad<o:p></o:p></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On Mar 3, 2016, at 8:02 AM, Guy Giacopuzzi <<a href="mailto:gggdds@js-net.com">gggdds@js-net.com</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal style='margin-bottom:12.0pt'>I think you only need the xtal set for the 401 if you're NOT using it with a matching receiver...i.e. and SB-300,301 or 303...I think you can even use the 401 as a "separate" on a different frequency when using one of these receivers and it will still work...<br>Guy<o:p></o:p></p><div><p class=MsoNormal>On 3/2/2016 7:20 PM, Jim's wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='color:#1F497D'>Thanks Mark, I do have a couple of hw’s in various condition of repair and can use these. </span><o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p><p class=MsoNormal><span style='color:#1F497D'>Jim </span><o:p></o:p></p><p class=MsoNormal><a name="_MailEndCompose"><span style='color:#1F497D'> </span></a><o:p></o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Mark V Johnson [<a href="mailto:mvjohn@sympatico.ca">mailto:mvjohn@sympatico.ca</a>] <br><b>Sent:</b> Wednesday, March 2, 2016 6:33 PM<br><b>To:</b> 'Jim's' <a href="mailto:Jsutherin@roadrunner.com"><Jsutherin@roadrunner.com></a>; <a href="mailto:heath@puck.nether.net">heath@puck.nether.net</a><br><b>Subject:</b> RE: [Heath] SB 610 and SB 401 questions<o:p></o:p></p></div></div><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'>Jim, forgive me if I’m being obvious but a “crystal pack” for an SB-401 can be obtained from any Heath transceiver. I’ve been buying up HW-101’s for parts, such as the crystal sets, as the crystals do at times fail and HW-101 parts rigs are fairly plentiful and cheap. Chuck Penson in his Heathkit book, estimates that Heath made nearly 30, 000 HW-101 kits! Also, all SB-400’s came with the full set of crystals so if you can find an SB-400 parts rig, your good to go. </span><o:p></o:p></p><p class=MsoNormal><span lang=EN-CA style='color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Heath [<a href="mailto:heath-bounces@puck.nether.net">mailto:heath-bounces@puck.nether.net</a>] <b>On Behalf Of </b>Jim's<br><b>Sent:</b> Wednesday, March 2, 2016 4:06 PM<br><b>To:</b> <a href="mailto:heath@puck.nether.net">heath@puck.nether.net</a><br><b>Subject:</b> [Heath] SB 610 and SB 401 questions</span><o:p></o:p></p></div></div><p class=MsoNormal><span lang=EN-CA> </span><o:p></o:p></p><p class=MsoNormal>I have a SB 610 that needs a new screen. Is there anyone that has one for sale or can describe how to refurbish the one I have? <o:p></o:p></p><p class=MsoNormal>Also I am looking for a xtal set for a SB 401 <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>Thanks 73 <o:p></o:p></p><p class=MsoNormal>Jim K8DHC<o:p></o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><br><o:p></o:p></span></p><pre>_______________________________________________<o:p></o:p></pre><pre>Heath mailing list<o:p></o:p></pre><pre><a href="mailto:Heath@puck.nether.net">Heath@puck.nether.net</a><o:p></o:p></pre><pre><a href="https://puck.nether.net/mailman/listinfo/heath">https://puck.nether.net/mailman/listinfo/heath</a><o:p></o:p></pre></blockquote><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>-- <br><2012email_signature.jpg><o:p></o:p></span></p></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>_______________________________________________<br>Heath mailing list<br><a href="mailto:Heath@puck.nether.net">Heath@puck.nether.net</a><br><a href="https://puck.nether.net/mailman/listinfo/heath">https://puck.nether.net/mailman/listinfo/heath</a><o:p></o:p></span></p></div></blockquote></blockquote><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>-- <o:p></o:p></span></p></div></div></body></html>