Turn the dial to the setting (indicated by a "V" with a solid line and dots).
The manual stresses that the Digimeter 320 is a standard electrician’s multimeter. It is not CAT-rated for mains electricity. Never connect it to household AC power. It is designed solely for 12V DC automotive systems. Gunson Digimeter 320 Manual Pdf
For owners of Minis, MGBs, Triumphs, Ford Cortinas, and vintage VWs, this tool is indispensable for setting ignition timing accurately without a strobe light. Turn the dial to the setting (indicated by
Today, one of the most common search queries among automotive DIY enthusiasts is the Never connect it to household AC power
A: The manual recommends removing the 9V battery if storing for over 3 months. Alkaline batteries leak and corrode the PCB. Also, store the unit in a dry place; the LCD display is sensitive to moisture.