: If the battery icon appears on the LCD, replace the internal batteries immediately to ensure accuracy. Replacement Remove the two screws on the back of the case. Separate the case carefully. Replace with two AA-size alkaline batteries
10MΩ input impedance, making it safe for sensitive automotive computer circuits. Measurement Ranges: DC Voltage: Up to 500V. AC Voltage: Up to 500V. Resistance: Measures up to 20MΩ. Special Functions: equus 4320 manual pdf