Ahhhhhh.
When you read the doco, it is to correct your mounts inherent tracking errors, not your alignment errors.
"The long term tracking accuracy of your mount supported by Telescope Drive Master will be determined and limited exclusively by the precision of the polar alignment of your mount and air refraction"
Secondly, it is not an unconnected phantom box.
"Our system has got two main parts: a high precision encoder unit attached directly onto the RA shaft of the mount and an electronic device (let's say a sort of "black-box"), which receives the electrical signals arriving from the encoder unit and sends control instructions to its own mount's driver via its auto-guider input connector."
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