[MRCA] Russian R-326(P-326) Control Function

[Meir WF2U]

The zero set pushbutton is not for the main dial, but for the BFO dial which is also calibrated. You turn on the calibrator on any of the marked calibration points on the main frequency display dial, zero beat it and adjust the BFO dial for 0 by pushing the zero set button. 
The main dial calibration is done by the adjustment of the trimmers on the right side of the dial (under the cover screws marked with a square and a triangle) for bands 1 to 3, the same on the left side of the dial for bands 4 to 6. The alignment is done to the corresponding calibration points marked with squares and triangles on the dial.

Meir WF2U.

On April 12, 2016 1:58:27 PM EDT, Ray Fantini <RAFANTINI at salisbury.edu> wrote:
>You push in the button and it engages agents a clutch that allows you
>to turn the display but not the capacitor, the radio has an internal
>crystal calibrator. Least that's what happened on the R-311 but that's
>a newer radio
>
>
>Ray F
>-----Original Message-----
>From: MRCA [mailto:mrca-bounces at mailman.qth.net] On Behalf Of B. Smith
>Sent: Tuesday, April 12, 2016 1:55 PM
>To: mrca at mailman.qth.net
>Subject: Re: [MRCA] Russian R-326(P-326) Control Function
>
>What calibration points, and what do you calibrate it to?
>Z
>
>On 4/12/2016 1:37 PM, Meir WF2U wrote:
>> It means "zero setting". It's for setting the dial calibration at the
>
>> calibration points.
>>
>> 73, Meir WF2U
>> Landrum, SC
>>
>> On April 12, 2016 10:46:30 AM EDT, "B. Smith" <smithab11 at comcast.net>
>> wrote:
>>
>>     Can anyone explain the function of this push button on the R-326
>panel?
>>     k4che
>>
>>     http://k4che.com/R326/R326.htm
>>     
>>
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