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Re: [TenTec] Omni VI+ calibration

To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Omni VI+ calibration
From: Jim Allen <jim.allen@longhornband.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 21 Dec 2016 18:04:54 -0600
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
That was done very recently and apparently disturbed in shipping.  I am not 
sure I have the facilities to do it myself.

73 Jim Allen W6OGC 

Sent from my iPad

> On Dec 21, 2016, at 03:32, Harald Rester <harryrester@gmx.de> wrote:
> 
> Jim, did you check the BFO alignment as well? Procedure for calibration 
> starts there and you have to readjust the different trimmers several times. 
> As I remember, TCXO calibration is the last step.
> 
> 73, Harry, DH1NBE
> 
> 
>> Am 21.12.2016 um 00:56 schrieb Jim Allen:
>> I am in the process of checking calibration on this Omni VI+.
>> 
>> When I zero beat WWV 10 MHz. the dial shows 9998.89.
>> 
>> I put the radio in CW, and use a iPhone app, PANOTUNER which is used to
>> tune musical instruments and believed to be accurate within a hertz or so,
>> to set the zero tone to 700 Hz. which is what my sidetone is set for and
>> which is what the PANOTUNER shows it to be.
>> 
>> The mystery is that the adjustment of what I think is the TCXO at the back
>> of the logic board, only moves the frequency a hundred hertz or so, not
>> enough to be able to zero with the readout at 10000.00.
>> 
>> I have found the wiki on this, and some archival discussion from several
>> years back, and the process seems straight forward.  It's just not working
>> as expected.
>> 
>> Any ideas what I am missing, or what isn't right, here.
>> 
>> TIA
>> 
>> 73 Jim Allen W6OGC
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