SA-2060 Tuner Sensing Unit Calibration

[Jerry Rego]

Thank you ever much for you input on the 2060 A tuner meter (s) adjustments.
I really appreaciate it and will give it a go.  Again thank you   de KE7YG
es 73's



----- Original Message -----
From: "Multi-Volti Devices" <multi-volti at SOFTHOUSE.COM>
To: <HEATH at LISTSERV.TEMPE.GOV>
Sent: Monday, May 14, 2001 11:58 PM
Subject: Re: SA-2060 Tuner Sensing Unit Calibration


> The capacitor adjustment is for whatever function is on the non-factory
> calibrated units, like the old HM-102. It's been years, and I don't
> remember...I think it was some kinda null.
>
> As far as the Lo & Hi for & ref adjustments... we put a 'calibrated'
> wattmeter we trusted in series with the meter being calibrated into a
> dummy load of proper impedance.
>
> Sufficient power is applied to give a decent deflection (2/3-scale or
> more) of the meter, and if one is on the low power range, the Lo(w)
> For(ward Power) pot is adjusted for a proper reading, and then the in
> and out cables are reversed (unkey the rig first, folks) and then the
> reverse scale will read forward power (you probably wouldn't have given
> that much thought that unless you're the kind of person who wants to
> know if speed-sensitive self-locking car doors work in reverse. [They
> do...find some ice to spin your wheels on in reverse if you don't want
> to back out of th edriveway at 15 mph).
>
> Warm up your trusty linear (or non-linear, as it's key down cw), and
> perform the same adjustments on the high range.
>
> Murray
>
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