What precaution should be taken with a vessel's impressed current cathodic protection system after a drydocking period during which the hull has been painted? A. Output currents should be carefully monitored to assure operation at nearly 100 % capacity for proper curing. B. Reference cell voltages should be maintained at half the normal range for approximately 48 hours. C. The unit should remain off for the specified amount of time so as not to disturb curing. D. A slight (10-15%) overcurrent to the anodes should be allowed in order to speed drying.