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Speed adjustment (factory set - only adjust if necessary)
Please note: Speed is factory set, we do not advise adjusting unless servicing or changing the drive belt.
The speed control functions are sited on the back panel of the Neo PSU MK2:
Speed Program Switch (i) - This enables the set speed mode.
Program Mode LED (ii) - This indicates the two modes of operation: Factory default mode and speed adjustment mode.
Speed Adjustment (iii) - This encoder is used to adjust the speed. The step size of the speed control is 0.01 rpm.
Adjusting the speed
Note: We recommend the Rega Strobe kit to accurately measure the speed during adjustment (sold separately).
Note: The speed is adjusted whilst running at 331/3 rpm and any adjustments made at 331/3 rpm will automatically be applied to 45 rpm.
1.
Select 331/3 rpm.
2.
Press the 'Speed Program Switch' on the rear panel once to put the unit into setup mode - The 'Program Mode' LED will now be permanently
illuminated red.
3.
Adjust the speed via the 'Speed Adjustment' control using a 1.7mm Allen key. Turning clockwise will increase the speed and turning anti-
clockwise will decrease the speed. The step size is 0.01 rpm. Only make small adjustments of up to five 'steps' at a time to ensure accurate
adjustment. Check the speed after each adjustment to achieve the best accuracy.
4.
When the speed has been correctly set, press the 'Speed Program Switch' once to put the unit back into 'run mode'. The 'Program Mode' LED
will now go out and flash approximately every ten seconds indicating the speed has been changed from the factory setting. Your turntable is
now set and ready to use.
Returning the Neo PSU MK2 to factory settings
This process is recommended when fitting a new drive belt to your turntable or after a service, to help optimise the range of adjustment available to
you.
1.
Select 331/3 rpm.
2.
Press and hold down the 'Speed Program Switch' until the 'Program Mode' LED flashes every few seconds. Keep the button pressed until a solid
LED is illuminated.
3.
Whilst illuminated, press the 'Speed Program Switch' button once again to fully factory reset and return to 'run mode'.
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