Regulatory Notices139Contact your Yealink Authorized Reseller for information about service agreementsapplicable to your product.TO THE FULL EXTENT ALLOWED BY LAW, YEALINK EXCLUDES FOR ITSELF AND ITSSUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDINGNEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVEDAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE OR PROFITS, LOSS OF BUSINESS,LOSS OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF OR INCONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE, PERFORMANCE,FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF YEALINK OR ITS AUTHORIZEDRESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITSLIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE RICE PAID, ATYEALINK’S OPTION. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BEAFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE.Save these instructions. Read these safety instructions before use!The following basic safety precautions should always be followed to reduce the risk offire, electrical shock, and other personal injury.General Requirements Before you install and use the device, read the safety instructions carefullyand observe the situation during operation. During the process of storage, transportation, and operation, please alwayskeep the device dry and clean. During the process of storage, transportation, and operation, please avoidcollision and crash of the device. Please do not attempt to dismantle the device by yourself. In case of anydiscrepancy, please contact the appointed maintenance center for repair. Without prior written consent, no organization or individual is permitted tomake any change to the structure or the safety design of the device. Yealinkis under no circumstances liable to consequences or legal issues caused bysuch changes. Please refer to the relevant laws and statutes while using the device. Legalrights of others should also be respected as well.Environmental Requirements Place the device at a well-ventilated place. Do not expose the device underdirect sunlight. Keep the device dry and free of dust.