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Calibration Problems in DOS

If the touchscreen responds in reverse, or simply refuses to accept calibration from elocalib, there is probably more than one elograph.cal file on the hard drive.  Search the entire disk for all occurrences of elograph.cal.  Delete all files named elograph.cal, then run elocalib.

DOS calibration is performed by running elocalib.

From a DOS prompt:

  • cd\touch
  • elocalib
  • Video Mode list appears
  • Select video mode to suit the application (if unsure, recalibrate in several video modes)
  • Press the C key to start the calibration
  • Touch the calibration points
    • upper left appears first
    • lower right appears after first touch
    • upper right appears after second touch
  • Press the S key to save the points
  • Press the Y key to save the points as the default calibration (in autoexec.bat), then ENTER
  • Press the Y key to update the calibration file, then ENTER to select the defaults (elograph.cal)

A separate calibration routine must also be performed to calibrate the touchscreen for use with Windows.