ivImportant Safeguards and WarningsSafety Measures1. Qualified Engineer Needed The installation engineer or maintenance engineer shall have corresponding CCTV systeminstallation certificate or maintenance qualification certificate. The installation engineer or maintenance engineer shall have qualification certificate for workat height. The installation engineer or maintenance engineer shall have the basic knowledge andoperation technique for low-voltage cable layout and low-voltage electronic cable connection. Please read the installation manual carefully and keep it well for future reference, We are not liable for any problems caused by unauthorized modifications or attempted repair.2. Lifting Appliance Requirement Please select the proper speed dome installation mode and use the lifting appliances at thesafety environment. The lifting appliances shall have the enough capacity to reach the installation height. The lifting appliances shall have safe performance.The precaution measures include two types: Warning and Note. Warning: It is to alert you there is an optional risk of death or series injury! Note: It is to alert you, there is an optional risk of damage or property loss!Warning1. All installation and operation here should conform to your local electrical safety codes.The power shall conform to the requirement in the SELV (Safety Extra Low Voltage) and therated voltage conformed to Limited Power Source according to the IEC60950-1. (Powersupply requirement is subject to the device label).2. We assume no liability or responsibility for all the fires or electrical shock caused byimproper handling or installation.3. Be sure to use all the accessories (such as power adapter) recommended by manufacturer.4. Do not connect several speed domes to one power adapter. It may result in overheat or fireif it exceeds the rated load.