QTopoCalib - Command buttons

The command buttons are grayed out when they are not active.

Clear Clear the calibration data.
NOTE. To avoid a hard data-recovery you should save the calibration data as soon as you download them from the DistoX.
  Open Read the calibration data from a file.
NOTE. The current calibration data are overwritten. Be careful with this: you might overwrite data downloaded from the DistoX and not saved yet.
Save Write the calibration data to a file.
This is the first thing you should do whenever you download a set of calibration data from the DistoX.
  Download Download the calibration data from the DistoX.
Compute Compute the calibration.
The calibration error and coefficients are shown in a dialog box.
Coverage Display the directions coverage of the calibration data.
Description Write or change the description of the calibration.
The description is useful to later remind you about this calibration.
  Mode Toggle the DistoX between normal mode and calibration mode.
The resulting DistoX mode is displayed in a dialog box.
  Read Read the calibration from the DistoX, and display it.
  Write Write the calibration to the DistoX.
You can backup the old DistoX calibration if you need.
  Help Open the help browser.
  Exit Exit QTopoCalib.