English-5EnglishThis device cannot be used or installed without the TabletopStand or other mounting accessory for support. For properinstallation it is strongly recommended to use a trained,NEC authorized service person. Failure to follow NECstandard mounting procedures could result in damage to theequipment or injury to the user or installer. Product warrantydoes not cover damage caused by improper installation.Failure to follow these recommendations could result invoiding the warranty.MountingDO NOT mount the monitor yourself. Please ask dealer.For proper installation it is strongly recommended to usea trained, qualifi ed technician. Please inspect the locationwhere the unit is to be mounted. Mounting on wall or ceilingis the customer’s responsibility. Not all walls or ceilings arecapable of supporting the weight of the unit. Product warrantydoes not cover damage caused by improper installation,remodelling, or natural disasters. Failure to comply with theserecommendations could result in voiding the warranty.DO NOT block ventilated openings with mountingaccessories or other accessories.For NEC Qualified Personnel:To ensure safe installation, use two or more brackets tomount the unit. Mount the unit to at least two points on theinstallation location.Please note the following when mountingon wall or ceiling• When using mounting accessories other than those thatare NEC approved, they must comply with the VESA-compatible (FDMlv1) mounting method.• NEC strongly recommendsusing size M6 screws(10-12 mm + thicknessof bracket and washers inlength). If using screwslonger than 10-12 mm,check the depth of the hole.(Recommended FastenForce: 470 - 635N•cm)NEC recommends mountinginterfaces that comply withUL1678 standard in NorthAmerica.• Prior to mounting, inspect the installation location toinsure that it is strong enough to support the weight of theunit so that the unit will be safe from harm.• Refer to the instructions included with the mountingequipment for detailed information.• Make sure there is no gap between the monitor and thebracket.InstallationUsing an optional wall mount• When using an optional wall mount, stand holders mayneed to be taken out. See diagram below:Optional Stand holderIf mounting accessory is interfered with stand holder, itmay need to be taken out also.• When using an optional wall mount (WM-46S-L/WM-46S-P)* or there is not enough room in back side,the handles may need to be changed from normal to thinposition. See diagram below:*: Except for X401S(X401S)Normal positionThin position(X462S/X552S)Screw positionchangeNormal positionThin positionScrewUnit10-12 mm Thicknessof bracketand washersScrew length should equaldepth of hole (10-12 mm) + thethickness of mounting bracketand washers. Bracket holeshould be under 8.5 mm.under 8.5 mmNo gapWashersMountingBracketNo thread4 mm