ADEEPT Robotic Arm Manual page 179

7.Draw or write in the yellow area with the mouse, you will see that the robotic
arm paints what we depict on the control panel on the paper. Note that due to errors in
the servo, etc., the content depicted by the arm will be slightly biased.
8.Click the dots as shown below：
9.Click on each point to see if the pen tip falls on the paper. If it is not or is
suspended in the air, three parameters need to be modified. These three parameters are
to fine-tune the offset of the servo. In this experiment, three servo systems need to be
adjusted initially. Otherwise, the pen may not be able to write and draw, or produce
bad fonts (note that there is a certain error, these three parameters do not need to be
precise). In the process of debugging, you will find that there are several sets of data
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