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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
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安装投影机所需要的工具有:冲击钻(钻嘴一套)、老虎钳、螺丝刀、(最好是多用的)活动扳手、六角一套、锯皮、割刀、锤子、螺丝钉、膨胀螺丝、塑脚钉等。投影机的安装,需要关注的是投影机到投影幕的距离,每一台投影机所需的距离和投影幕的大小是不相同的,你要对你需要安装的投影机有所了解,现在的投影机分为两种体系,一种是LCD(液晶机)一种是DLP(数学数码机)他们之间是有一定区别的,液晶及的广角比数码机的广角大,投射同样尺寸的投影幕所需的距离是不相同的,你要学投影机的安装就应该要多投影机有所了解,这样你才能更好更快捷的安装好投机。勘察现场和了解安装位置在第一时间做出准确的判断和安装思路。(注:提前了解投影机和投影幕的相关参数)找好投影幕的悬挂的位置,进行投影幕的安装,安装好投影幕之后,进行测距为下一步的安装做好准备。打开万能吊架,把万能吊架的脚,精准的安装到投影机上。就是在天花上安装万能吊架了,(注:投影机的镜头是靠边的,一定要使投影机的镜头对准投影幕的中心。把我们已经装好底脚的投影机挂到万能吊机上。这样我们投影机的安装基本接近尾声了。
你说的是不是梯形,(要么是上小,下大。要么就是上大,下小)这个简单,你按MENU(菜单键),在按下,应该是在设置里面有。梯形校正
明基(BenQ)投影机CP1506中小型商教投影仪RMB3799.00明基(BenQ)投影机CP1524E中小型商教投影RMB4099.00日电(NEC)NP-V302XC投影机RMB2999.00像上面这些价格整合自网络,请自行核实,实际价格以实际情况为准
1、现有家用投影屏幕的实际供货最小尺寸为50英寸,即1M(宽)X0.75M(高)。
2、选定适合自己使用的屏幕后,可计算出投影机镜头到屏幕的距离。投影机的技术参数附表内通常都有距离参数(投影机通常使用变焦镜头,故可提供最短距离与最长距离供选取),如某一型号的投影机投射100寸图像需要3.5米,你自己先的屏幕是80寸,则应投影机吊架与屏幕之间的距离应是2.8米。
3、投影机吊架由四个膨胀栓与天花等固定,固定完后保持吊杆垂直。
4、吊架内配套的螺丝与投影机底部安装孔固定;通常的吊架都提供自由调节功能。
5、投影机设置为吊装模式即可。
投影机的投影方式分为:正投安装、背投安装、吊顶安装、侧装。任何一款投影机都可以依照安装需求调整投射方式,在菜单中可以看到有正投、背投、吊装等选项就是针对用户不同的安装方式或场地的限制而可以灵活的安装投影机。
1.正投安装正投安装是投影机应用最为广泛的一种安装方式了,同时,这也是最易于实现的一种投影方式。正投的概念就是指用户与投影机位于投射画面的同一侧,投影画面直接通过幕布或墙体反射到用户眼中的投影方式。
2.背投安装背投相对于正投,在画面效果方面会有一定的保障,由于用户从幕布上看到的是透射画面,加上这种投影方式本身都会对环境光做处理,因此可以说环境光对画面的影响很小,在投影质量方面要优于正投。其次,由于是从投影幕后进行投射,因此用户的走动等也不会对投影画面造成影响。背投的不足也是比较明显的,如占用空间大。背投可以达到与正投一样的画面大小,但距离却几乎需要延长一倍,这一点对于很多空间狭小的场合而言就显得非常不便了。现在最常见的实际措施是采用折射式背投法,也就是投影画面首先投射到已经设置好角度的镜子上,通过镜子的反射再将画面投射到幕布上,这种方式可以减小背投所需的距离。
3.吊顶安装吊顶安装需要投影机吊架,投影机吊架要用膨胀螺丝与顶面墙壁相连接。使投影机吊架钉死、固定在顶面墙壁上。然后才能把投影机安装到投影机吊架上面。吊顶安装是指通过安装吊架将投影吊到高处,通常是把投影机安装到天花板上来进行投射的安装方式,具有吊装功能的投影机通常在机器的底部有专用的吊装孔位,(工程机底部通常都具备吊装孔,用于与投影机吊架相连)用来与投影机吊架联结,有适合各种机型的万能吊架。市面上做吊架比较好而又实用的投影机吊架品牌有“NB投影机吊架”。如使用吊顶安装方式,在自行选用吊架及螺钉时对强度特别要重视,应选取相应的螺钉与投影机吊装孔相连接。同一个时间段里在螺钉旋入投影机内时,旋如深度一定要到底,使投影机吊架与投影机相互连接紧密而不松动。这样就能防止投影机在吊顶时掉落。吊挂可以是正投,也可以是背投,当投影机安装好后,可以进入投影机设置里面调正画面。吊挂式安装的好处还是显而易见的,由于已经被固定在顶部,因此不会受到人为因素的碰动投影机,而使画面出现偏移。另外,吊挂式安装由于设备远离用户,也不会由于噪音、散热等情形对周围的观众产生影响。
4.侧投侧投是近几年才兴起的一种安装方式,通常与桌面式配对使用。有些原本没有安装投影机的演示厅并没有预留投影机的位置,即使临时勉强挂上投影幕,投影机也无处容身。此时侧投就派上用场了:投影机可以不必安放在与投影幕正对的方向上,只要调整水平梯形校正,就可以使画面恢复正常。支持侧投功能的投影机身价昂贵,并且强调便携性,应用并不广泛。主要适用于一些不具备投影环境的场合的临时使用。