User Guide for the W52 Cordless Phone2CE Mark WarningThis device is marked with the CE mark in compliance with EC Directives 1999/5/EC (R&TTE).This device complies with the following standards:1. Safety: EN 60950-1:2006+A11:2009+A1:2010+A12:20112. SAR: EN62479:20103. EMC: ETSI EN 301 489-1 V1.9.2 (2011-09) & ETSI EN 301 489-6 V1.3.1 (2008-08)4. Radio: ETSI EN 301 406 V2.1.1 (2009-07)Part 15 FCC RulesThis device is compliant with Part 15 of the FCC Rules. Operation is subject to the following two conditions:1. This device may not cause harmful interference.2. This device must accept any interference received, includinginterference that may cause undesired operation.Class B Digital Device or PeripheralThis equipment is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the FCCRules. These limits are designed to provide reasonable protection against harmful interference in a residentialinstallation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and usedin accordance with the instructions, may cause harmful interference to radio communications. However, thereis no guarantee that interference will not occur in a particular installation. Privacy of communications may notbe ensured when using this telephone. If this equipment does cause harmful interference to radio or televisionreception, which can be determined by turning the equipment off and on, the user is encouraged to try to correctthe interference by one or more of the following measures:1. Reorient or relocate the receiving antenna.2. Increase the separation between the equipment and receiver.3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.4. Consult the dealer or an experience radio/TV technician for help.Note: Changes or modifications not expressly approved by Yealink Network Technology Co., Ltd could void theuser’s authority to operate the equipment.ACTA InformationThis equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA.On the bottom of the base station is a label that contains, among other information, a product identifierin the format US: T2LXXXXXXX.Hearing Aid Compatibility (HAC)This telephone system meets FCC standards for Hearing Aid Compatibility.