Dear Members of the Academy, I mean list, A colleague here in Winnipeg has acquired a used Hale Sight-O-Tuner with the Bourne Knob Pot modification. According to his manual, the machine requires periodic internal recalibration. This individual is also a skilled electronic technician and if possible would like to do this procedure himself. Is anyone able to provide specifics as to how this calibration is done? Unless others would be interested in the responses to this query, you may email me privately. Best regards, Stan Kroeker Registered Piano Technician Kroeker & Sons Piano Experts 59 Quiring Winnipeg, Manitoba Canada R2G 1Y5 Ph. 204-669-5881
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