: The cable ends in a 9-pin serial (DB9) connector. Since modern laptops lack these ports, you will need a USB-to-Serial adapter . Be cautious: many users report that cheaper adapters (like those using Prolific or Belkin chips) often fail to work with Meade software; adapters using FTDI chips or the official Meade USB Adapter are highly recommended.
Using the hand controller or direct software control, slew to a bright, known star (e.g., Vega or Sirius). Center it in your eyepiece. In AstroFinder, right-click that star and select "Sync." Repeat with a second star 90 degrees away. astrofinder software