This tool display the current telescope RA/DEC position, the side of pier if reported by the driver, the time to or from the meridian.
You can Park or Unpark the mount using the corresponding button.
The Track button start the mount tracking.
Click the Goto button to move the telescope to a new position.
After the coordinates are entered, the target Azimuth and Elevation is show, so you can check if it is safe to slew the telescope there.