键盘副屏使用说明
USB Secondary Screen Manual
键盘副屏支持Windows、Linux、MacOS和Android系统。
The USB secondary screen supports Windows, Linux, MacOS, and Android systems.
设备接入与驱动识别
Device Connection & Driver Recognition
当键盘副屏通过USB接口接入设备后，系统如开启自动更新会自动识别设备：
When the USB secondary screen is connected via USB, the system will automatically recognize the device if automatic updates are enabled:
- 若设备未安装对应驱动，系统会识别出一个U盘设备（NKB USB DISK）
- U盘内包含对应操作系统的驱动安装包文件（支持Windows、Linux、MacOS、Android）
- 不同操作系统的驱动安装方法不同，请根据您的系统选择对应安装流程
- If the driver is not installed, the system will recognize a USB flash drive storage named (NKB USB DISK).
- The drive contains driver installation packages for different operating systems (Windows, Linux, MacOS, Android).
- Installation workflows vary by operating system. Please select the appropriate process based on your system.
驱动安装包已包含在设备自带的虚拟U盘（NKB USB DISK）中，无需额外下载
The installation package is already built into the device's virtual USB drive (NKB USB DISK), no extra download required.
驱动安装
Driver Installation
- 键盘副屏设备通过USB接入Windows PC
- 系统会识别出一个U盘设备，打开该U盘
- 在U盘中找到后缀为.exe的驱动安装文件
- 双击驱动安装文件，按照弹出的对话框提示完成安装
- 安装完成后，建议重启电脑以确保驱动生效
- Connect the USB secondary screen to your Windows PC via USB.
- The system will detect a USB drive. Open this drive.
- Find the installer file ending with .exe.
- Double-click the installer and follow the prompts to complete the installation.
- After installation, rebooting your PC is recommended to apply the driver.
安装过程中若出现安全提示，请选择"信任"或"允许"以继续安装
If security prompts appear during installation, please select "Trust" or "Allow" to proceed.
图1：Windows驱动安装
Figure 1: Windows Driver Installation
Windows系统触摸屏校准
Windows Touchscreen Calibration
Windows环境下，默认触摸屏会控制主屏。如需让触摸屏控制键盘副屏，请按以下步骤设置：
In a Windows environment, the touch defaults to controlling the primary display. To calibrate the touch controls specifically for the USB secondary screen, follow these steps:
- 在Windows开始菜单中找到并打开"控制面板"
- 在控制面板中，打开"硬件和声音" → "平板电脑设置"
- 在弹出的对话框中，点击"设置"按钮
- 按Enter键让校准字体显示到副屏上
- 按照屏幕提示，点击副屏上的校准点直到界面消失
- 校准完成后，即可在副屏上使用触摸屏进行操控
- Open the Windows Start Menu, search for and open "Control Panel".
- Navigate to "Hardware and Sound" → "Tablet PC Settings".
- In the dialog box that appears, click the "Setup..." button.
- Press the Enter key until the calibration instructions move onto your secondary screen.
- Follow the target prompts on the screen, tapping the crosshairs until the interface closes.
- Once calibrated, touch interactions will properly register on the secondary display.
若未找到"平板电脑设置"，可在控制面板搜索框中直接搜索"校准"快速找到相关选项
If you cannot find "Tablet PC Settings", simply type "Calibrate" in the Control Panel search bar to quickly locate it.
图5：触摸屏校准流程
Figure 5: Touchscreen Calibration Process
注意事项 Important Notes
- Windows系统建议使用Windows 10及以上版本，确保获得最佳兼容性
- Linux系统必须使用Xorg图形系统，否则设备可能无法正常工作
- 树莓派系统建议使用官方Raspbian系统，其他衍生系统可能需要额外配置
- Android设备需开启"允许安装未知来源应用"权限才能安装APK文件
- Windows 10 or above is highly recommended to ensure the best compatibility.
- Linux platforms must operate on an Xorg graphics server; otherwise, the display may fail to function.
- For Raspberry Pi, the official Raspbian OS is recommended. Other distros may require extra custom configuration.
- Android systems require "Allow installation from unknown sources" enabled to deploy the APK package.