
To change measurement functions on your Greenlee PDMM-20 Multimeter, start by turning the meter on. Press and hold the selector button for approximately one second to power it up; the default setting is typically Auto V•Ω. Consult the Settings Table in your Greenlee PDMM-20 manual to identify the available functions. Briefly press the selector button repeatedly to cycle through each function. For detailed instructions on specific measurements, refer to the "Typical Measurements" section of the manual. Always verify functionality by testing the meter on a known working circuit or component. If the Greenlee PDMM-20 Multimeter doesn't operate as expected, try these troubleshooting steps: first, reset the microprocessor by pressing and holding the selector button for about six seconds. If the issue continues, replace the . If problems persist after these steps, it may require professional service; consult Greenlee's warranty information for repair options.


