The voltageSelector Setting should be checked to see that it conforms to the local AC supply voltage.
必须查看本机交流电压选择器之预调状态是否符合本地交流电压。
2
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。
3
Selector Setting should be checked to see that it conforms to the local AC supply voltage.