[Elecraft] (KX3) Voltage display

Don Wilhelm w3fpr at embarqmail.com
Mon Apr 15 19:23:42 EDT 2013


Rob,

That sounds like an email to KX3support at elecraft.com is in order.

73,
Don W3FPR

On 4/15/2013 7:14 PM, Rob May wrote:
> Dick,
> Two different cables, one of them the oem cable.  Both 5.5 x 2.1mm.  Both have molded ends and measure full voltage with a DMM.  Both show just .1V drop on 10W cw transmit.
>
> 73,
> Rob
> NV5E
>
> ----------------------------------------
>> From: dieven at comcast.net
>> To: roblitespeed at hotmail.com; elecraft at mailman.qth.net
>> Subject: RE: [Elecraft] (KX3) Voltage display
>> Date: Mon, 15 Apr 2013 16:05:41 -0700
>>
>> Is there any possibility that the coaxial DC connector is the wrong size for
>> your KX3? I have had trouble mixing 2.5 and 2.1 mm connectors in my
>> station.
>>
>> 73 de Dick, K6KR
>>
>>
>> -----Original Message-----
>> From: elecraft-bounces at mailman.qth.net
>> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Rob May
>> Sent: Monday, April 15, 2013 3:53 PM
>> To: elecraft at mailman.qth.net
>> Subject: [Elecraft] (KX3) Voltage display
>>
>> I've been having a weird problem with my KX3.  No matter what voltage I plug
>> into the external power jack, the display will briefly show the correct
>> voltage and then it will show 10.4V.  I've measured the voltage at the
>> barrel tip on the cord and it's either 12.9V (if on a gel cell) or 14.4V if
>> I use the shack PS.  In either case the KX3 internal display shows 10.4V
>> after briefly showing 12.9V or 14.4V.  FW 1.41, all options including
>> internal battery charger.  It didn't used to do this, any help would be
>> greatly appreciated.
>>
>> 73,
>> Rob
>> NV5E
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