4. Radio Frequency Interference

！CAUTION

•This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and. if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in the residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense.

5. Maintenance and Inspection Precautions

！CAUTION

•Maintenance and repair of the inside of the UPS should be performed only by technically qualified personnel. Electric shock, bodily injury and burns, fuming, or fire could otherwise result.

•Contact your nearest sales representative or authorized service center to have the UPS checked out or to replace defective parts. Opening the cover carelessly can result in an electric shock or burn.

•Replace the batteries periodically (once every 4.5 years when operated at 25°C (77ﾟF)). Using batteries after their service life has expired may cause a fire.

•Never use organic chemicals such as gasoline, thinner, benzene or detergent to clean batteries. These can cause the casing to crack and leak, resulting in fire.

•Do not allow sharp metallic objects or fingers to touch the battery connectors of the UPS. Doing so may result in an electric shock.

•Do not touch any parts inside the UPS, even when AC input is removed. Voltage produced from the batteries can still cause an electric shock.

6. Relocation and Transportation Precautions

！CAUTION

•Be careful to avoid falling or dropping the UPS during relocation or transportation, as bodily injury could result.

•Be careful to avoid back strain when handling the UPS.

•To avoid bodily injury caused by dropping the UPS, do not tilt it more than 10 degrees to either side when moving it. Take preventative measures to avoid dropping the UPS if it must be tilted more than 10 degrees when moving it.

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