[TenTec] delta 580

[Duane Grotophorst]

Or if in case this is not while in the CW mode there
is a variable cap (C21) on the 80544 "timebase/Preamp"
board. This is the board that is board directly above
the digital display board. C21 should be immediately
visible once you take the top cover off of the radio.
In fact ts the only component on the that side of the
80544 board. The crystal is a 5.2428880 MHz, but you
should be able to tune 10MHZ WWV and then adjust C21
to make the display read 10.0000.

Duane
N9DG  

--- Carl Moreschi <n4py at earthlink.net> wrote:
> For CW, the display on the delta 580 is always off
> 0.7.  The display does
> not take into account the CW pitch offset.  This is
> normal.
> 
> Carl Moreschi N4PY
> Franklinton, NC
> ----- Original Message -----
> From: "David" <kr4ow at iag.net>
> To: <tentec at contesting.com>
> Sent: Sunday, June 29, 2003 10:04 PM
> Subject: [TenTec] delta 580
> 
> 
> Does anyone know how to calibrate the digital
> display on this rig?
> All bands upper and lower side are .7 off ( i.e.) if
> the part is on 1.845.00
> it would display 1.845.7
> same with on 20/40/80 etc
> Thanks
> David KR4OW


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