Regulatory Notices139Contact your Yealink Authorized Reseller for information about service agreementsapplicable to your product.TO THE FULL EXTENT ALLOWED BY LAW, YEALINK EXCLUDES FOR ITSELFAND ITSSUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT(INCLUDINGNEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL,OR PUNITIVE DAMAGES OFANY KIND, OR FOR LOSS OF REVENUE OR PROFITS, LOSSOF BUSINESS, LOSS OF INFORMATION ORDATA, OR OTHER FINANCIAL LOSS ARISINGOUT OF OR IN CONNECTION WITH THE SALE,INSTALLATION, MAINTENANCE, USE,PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS,EVEN IF YEALINK OR ITSAUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCHAMAGES,AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THEPURCHASERICE PAID, AT YEALINK’S OPTION. THIS DISCLAIMER OF LIABILITY FORDAMAGES WILL NOT BEAFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OFITS ESSENTIAL PURPOSE.Save these instructions. Read these safety instructions before use!The following basic safety precautions should always be followed to reduce risk of fire,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 attempt not 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 circumstance 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 be respected as well.Environmental Requirements Place the device at a well-ventilated place. Do not expose the device underdirect sunlight.