自动测量多点线路电压,自动判断电压值确定电路是否短路,测试不通过发出报警信息,测试通过自动启动PCBA上电并加载COLD程序,液晶显示器上自动显示相关信息.-Automatic measurement of multi-point line voltage, automatic voltage value judgments to determine whether the short circuit test is not by sending alarm information, the t