II
All the safety and operating instructions must be read before the unit is operated.
• Make sure to switch the power off before you install the DVR.
• There is the danger of an electric shock if the DVR is opened by an unqualif ied service
engineer or installer.
• Avoid using the DVR outside of the refe rence temperature and hum idity indicated in the
specification.
• Avoid exposing th e DVR to violent movement or vibration.
• Do not use or sto re the DVR in direct sunlight or near to any source of heat.
• Do not place an y object into the holes used for air circulation.
• Always use the D VR in a well ventilated location to prevent overheating.
• Risk of explosion if battery is replaced by an incorrect type.
• Dispose of used batteries according to the instructions.