User's Manual
1678 RFD OPERATION MANUAL xi
CAUTION Do not open a vent if there is water on or near the vent. Keep the vents
closed when the relative humidity is above 90%. Take necessary precautions to ensure
moisture does not enter the unit case.
CAUTION Do not use any component that is damaged, suspected of being
damaged, or is not able to operate as designed. The safety of the operation could be
compromised.