Tono-Pen use: Revision history

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29 June 2021

10 October 2019

14 July 2016

11 July 2016

19 May 2016

  • curprev 08:4608:46, 19 May 2016Rossdonaldson1 talk contribs 1,009 bytes +1,009 Created page with "==CALIBRATION== The Pen should be calibrated if the batteries have been changed or if the LCD reads “CAL” followed by “- - - -”. Remember, calibration involves depress..."