: Ensure the Function Selector Switch is turned to the specific icon (e.g., for Voltage, Ωcap omega for Resistance) before touching the leads to the circuit. Equus 4320 Multimeter Safety Guide | PDF - Scribd

: Critical instructions on avoiding electric shock, such as not exceeding voltage limits and inspecting leads for damage .

Equus 4320 is an entry-level digital multimeter commonly used for automotive and household electrical testing. While hard copies are sometimes rare, digital versions of the manual often appear on documentation platforms like Key Technical Specifications Equus 4320 typically features basic diagnostic capabilities: : 3.5-digit LCD with a maximum reading of 1999. Measurement Ranges DC Voltage : Up to 500V (e.g., 200mV, 2V, 20V, 200V, 500V). AC Voltage : Up to 500V. DC Current : Typically up to 10A. Resistance : Up to 2MΩ. Special Functions

This means overload. You have selected a range lower than the voltage/current present. Switch to a higher range (e.g., from 200V to 600V DC). Alternatively, you may have the test leads in the wrong jacks (e.g., red lead in "20A" but dial on "Ohms").