980RTC OTDR User Guide
Safety WarningPower AdapterInput:AC 100V ~ 240V, 50/60Hz; @0 .8AOutput: DC 5V, 1A , USB Type-CUse the power adaptor in strict accordance with the specifications , or it may cause damage to the device .BatteryThe internal part of the instrument is a lithium battery. In order to give full play to the performance of the battery, … Read more