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Before installation, reinstallation, or troubleshooting • Stop the DB/DL • Pull out the mains plug. • Relieve the DB/DL of any loads, which may be released during the work. Before start-up: • Make sure that the system has been installed as instructed in this User Manual. • Make sure that the voltage of the control box is correct before connecting the system to the mains. • System connection. The individual parts must be connected before connecting the control box to the mains. See the User Manual for LINAK actuators, if necessary. During operation: • If the control box makes unusual noises or smells, switch off the mains voltage immediately. • Take care that the cables are not damaged. • Unplug the mains cable on mobile equipment before moving it. • The products must only be used in an environment, that corresponds to their IP protection. Misc. The actuator system has a sound level below 55 dB(A) in typical applications. Updated manuals and declarations can always be found here: www.linak.com/deskline Page 6 of 42

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Only for EU markets This appliance can be used by children aged from aged 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision. Only for Non EU markets Persons who do not have the necessary experience or knowledge of the product/products must not use the product/products. Besides, persons with reduced physical, sensory or mental abilities must not use the product/ products, unless they are under surveillance or they have been thoroughly instructed in the use of the apparatus by a person who is responsible for the safety of these persons. Moreover, children must be under surveillance to ensure that they do not play with the product. It is the operator’s responsibility to ensure that there is free space for the application to move without risk for the operator or bystanders before operating the application. Misuse Do not overload the actuators – this can cause danger of personal injury and damage to the system. Do not use the actuator system for lifting persons. Do not sit or stand on a table while operating – risk of personal injury. Do not use the system in environments other than the intended indoor use Page 7 of 42

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