Chapter 1: Before You Start Safety Precautions & Declared Materialphn-3962 004v000Page 1-3Safety Precautions & Declared MaterialGeneral Equipment PrecautionsCautionTo avoid malfunctioning or personnel injuries, equipment or accessories/kits/plug-inunit installation, requires qualified and trained personnel. Changes or modificationsnot expressly approved by Cambium Networks could void the user's authority tooperate the equipment.CautionWhere special cables, shields, adapters and grounding kits are supplied or describedin this manual, these items must be used, to comply with the FCC regulations.CautionUse of controls, adjustments, or performing procedures other than those specifiedherein, may result in hazardous radiation exposure.CautionWhen working with a PTP 820C, note the following risk of electric shock and energyhazard:Disconnecting one power supply disconnects only one power supply module. Toisolate the unit completely, disconnect all power supplies.CautionMachine noise information order - 3. GPSGV, the highest sound pressure levelamounts to 70 dB (A) or less, in accordance with ISO EN 7779.Anti StaticStatic electricity may cause body harm, as well as harm to electronic componentsinside the device. Anyone responsible for the installation or maintenance of the PTP820C must use an ESD Wrist Strap. ESD protection measures must be observed whentouching the unit. To prevent damage, before touching components inside the device,all electrostatic must be discharged from both personnel and tools.CautionIn Norway and Sweden:
