: 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)
: Check the internal fuse; blown fuses are common if the red lead was incorrectly placed in the 10A port during a voltage check. Mac Tools Et 130 Manual
: Used to select measurement modes (DC Voltage, AC Voltage, Resistance/Ohms, Continuity, etc.). : The red lead plugs here for most
Set dial to the . The meter will beep if a continuous path exists (0 ohms). Resistance Operational Guide Measurement Type Setup & Procedure Voltage
Set dial to the . Used to check the health of alternators or charging system components. 4. Maintenance and Storage
: Inspect test leads for fraying or broken wires.
: Replace the 9V battery and check for secure connections.