Planar PDP 60B - Manual (Page 40)

Press the button.
Reset
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Reset
Use the existing adjusted values for initiation as they were set in the factory.
Press button to move to the item
Press button to enter to sub menu.
Select "Reset" with
Press button after adjustment to return to the previous menu.
All the values that the user adjusted are initialized to the values set in the factory.
Initialize by pressing button.