13.Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as
15.Battery usage CAUTION – To prevent battery leakage which may result in bodily injury, property damage, or damage to the unit:
●Install all batteries correctly, + and - as marked on the unit.
●Do not mix batteries (old and new or carbon and alkaline, etc.).
●Remove batteries when the unit is not used for a long time.