WARNING: Do not connect your turntable to the main supply at this
stage.
With the motor controller powered up on Laptop/PC only, use the PIDTuning app and
choose option 4 from the menu. This will display a message on the terminal area each
time the IR sensor is triggered. Hand rotate the platter and adjust the position the
speed box so that, each time the marker passes the trigger message is displayed. (Also
brief flash from the IR sensor registration indicator LED flashes – it may be possible
to see this light by reflection on the plinth top).
The trim pot location is accessed either through the top or underneath (depending on
the IR sensor supplied). Adjustment of the IR Sensor Trim pot may be required with a
small screwdriver.
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General