[Elecraft] K3 Calibration Problem

Ed Muns w0yk at msn.com
Sat Dec 1 16:18:21 EST 2007


The firmware has not been written yet for the 1PPM TCXO3-1 table
calibration, so use one of the other two methods for now.  It will still be
more stable than the standard TCXO3.  QRX for a future firmware release to
do the table entry.

73,
Ed - W0YK

> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Sanger, Joseph
> Sent: Saturday, 01 December, 2007 13:11
> To: elecraft at mailman.qth.net
> Subject: RE: [Elecraft] K3 Calibration Problem
> 
> I am trying to perform the Ref Oscillator Calibration for my 1 ppm
> device:
> 
> 
> Method 3 (1 ppm TCXO Option):
> 
> * Locate the CONFIG:REF CAL menu entry.  Tap 1 to change the 
> name to REF xxC.
> 
> * Locate the calibration data sheet, which shows frequency vs.
> temperature over a wide range.
> 
> * For each data point, tap 2 or 3 to select the calibration 
> temperature, then use VFO A to set the specified oscillator 
> frequency in Hz.
> 
>  
> and am getting nowhere fast.  In step 1, I see the 'REF CAL' 
> menu displayed by VFO B, but tapping '1' doesn't change the 
> name off the menu; it merely performs the usual 'tap' 
> function of that switch:  A/B.
> 
> 
> Thanks for any help from anyone!
> 
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