: Replace the 9V battery and check for secure connections.
: Used to select measurement modes (DC Voltage, AC Voltage, Resistance/Ohms, Continuity, etc.). Mac Tools Et 130 Manual
: The red lead plugs here for most voltage and resistance tests. 10A : Used strictly for high-current measurements. 3. Operational Guide Measurement Type Setup & Procedure Voltage (DC) : Replace the 9V battery and check for secure connections
Set dial to . Touch the black probe to ground and the red probe to the power source. Continuity Mac Tools Et 130 Manual
: Remove the battery if the tool will not be used for a long period to prevent leakage [0.5.1].