什么是无线演示设备？(a wireless presentation device?)
无线演示设备是无线操作的任何设备，其主要功能是帮助或协助演示。基本的无线演示设备需要一台计算机来存储实际的演示文稿。无线演示设备本身只是一个类似于鼠标的外围设备，它允许演示者从远处控制演示的流动和移动。
这种类型的设备可以使用多种不同的无线技术之一连接到计算机。大多数情况下，无线演示设备将通过无线蓝牙连接与计算机同步；但是，一些设备也可以通过局域网（LAN）无线或USB无线进行同步。使用蓝牙无线演示设备需要支持蓝牙的主机。LAN无线演示设备将通过无线网络与计算机连接，通常与计算机连接到Internet的网络相同。。
USB无线演示设备需要将无线接收器连接到计算机上可用的USB端口。通常，为了让计算机正确识别设备，还必须安装驱动程序。USB无线演示设备将像标准电视遥控器一样工作，从遥控器向接收器来回发送信号。大多数无线演示设备的有效范围为30至100英尺（9.14至30.48米）。范围将取决于许多因素，如无线演示设备的质量、技术和连接类型。。
无线演示设备在演示文稿的实际操作方面受到限制。例如，他们通常无法编辑或向演示文稿中添加特定内容，也无法执行其他简单任务，例如向幻灯片添加注释。更确切地说，它们最好用于演示本身。许多无线演示设备都有一个非常简单的界面，只有4-5个按钮。
除了作为导航设备（类似于鼠标），许多无线演示设备还具有其他外部功能。例如，大多数演示设备都有内置的激光指针。这使得演示者可以在演示中明确地将观众指向不同的位置。
- 发表于 2021-12-30 01:47
- 阅读 ( 63 )
- 分类：互联网
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