系统开机后进入菜单项,然后通过按键可以上下选择菜单里的内容,内容包括:1号单路采集显示,2号单路采集,两路采集,1号串口信息,2号串口信息,3号串口信息。。 那么如何实现这个功能呢?要用OSD吗? 6467没有OSD的硬件支持那咋办啊??谢谢
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