Mac Tools Et 130 Manual May 2026

: Ensure you are using the correct fuse replacements (typically 10A/250V) to prevent damage to the unit or vehicle electronics.

: Used to select measurement modes (DC Voltage, AC Voltage, Resistance/Ohms, Continuity, etc.). Mac Tools Et 130 Manual

: Avoid using the meter in high-humidity environments or near explosive gases. 2. Controls and Layout : Ensure you are using the correct fuse

Set dial to the . The meter will beep if a continuous path exists (0 ohms). Resistance Resistance Set dial to

Set dial to . Ensure the circuit is powered off before testing to avoid false readings or damage. Diode Test

Set dial to . Touch the black probe to ground and the red probe to the power source. Continuity

: Check the internal fuse; blown fuses are common if the red lead was incorrectly placed in the 10A port during a voltage check.