交互式电磁白板TechnicalItemsTechnicalSpecification参数：ModelDS-9040HD型号 ProductDimensions47inch(970 730 26mm)产品尺寸 WritableSize40inch(820 620mm)可写范围 PackageSize1140 900 110mm包装尺寸 Temperature-10to50室温 Humidity30-80%湿度 NetWeight6.8kg净重 GrossWeight12.4kg毛重 ProjectionSizeL870*W629(mm)FunctionofProjectionofBoard投影面积投影功能ProjectionGainAvailable支持/可用投影增益ViewingAngle170degreeinHorizon可视角度水平170度 160degreeinVertical 垂直160度SurfaceMaterialPETmaterial/Mattsurface表面材质PET材质/亚光表面InductionWayElectromagneticinduction感应方式电磁感应PowerInputUSBpowersupplyor100-240VAC,50/60HZAC电源输入USB或者100-240VAC,50/60HZACCurrentConsumption=100mA(USBpowersupply,noextrapower)耗电量=100mA，USB供电，无需外接电源 SignalInterfaceUSB2.0ElectricPerformance 电磁性能信号接口TheMaximumLengthUSBCableCanSupport10mUSB线长度TransmissionSpeed12M/s传输速度Anti-lightIntensityUseunderdirectsunlight抗光性可在阳光直射下使用ScanningSpeedThefirstpoint25m/s,consecutivepoints8m/s扫描速度第一点25ms,连续点 8m/sCursorSpeed180 点/秒光标速度DisplayResolution8192*8192分辨率 DisplayRatio4:3显示比率 Wall-mountedAnnexIncludedOptional壁挂用具内含Accessories 可选附件ElectronicPen内含 书写笔 InteractiveWhiteboardSoftwareIncluded InstallationCD-ROMDrive内含 软件安装光盘 TrolleyOptional 支架可选 1.ElectronicClassroomOptionalSoftwarecategory 电子教室可选软件种类 2.InteractiveMeetingSoftwareOptional 交互式会议软件可选3.Exhibition,ExhibitionDedicatedOptionalSoftware可选展示主题软件 Warranty3years保修3年CertificatesCE,FCC,CCC,Rohs,etc认证