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With the handset you can move the telescope around by little steps. The handset used to be a separate box/console with buttons, but is now integrated in the TCS User Interface. After pointing the telescope, you can bring up the computerized handset by pressing the DO button of the Xterminal keyboard. You will see a graphical handset panel pop up on the TCS User Interface window.

You can move the telescope in RA-DEC or X-Y coordinates; toggle between these with the F7 and F8 keys. You can select the step size with the FIND and INSERT keys. These keys are all clearly marked on the keyboard.

To exit the handset, press the DO key again.