Turn off all power to the circuit under test and discharge any capacitors. Set the rotary switch to the Ohms (Ω) position. Touch the tips of the red and black probes together.
The Micronta 22-212 is a classic, pocket-sized analog multimeter sold by RadioShack during the late 20th century. Renowned for its portability, simplicity, and reliable needle-movement diagnostics, this test instrument remains a favorite among vintage electronics hobbyists and DIYers. micronta multimeter 22 212 user manual
Adjust until the needle rests precisely over the "0" mark on the left edge of the voltage scales. 3. Electrical Zero Adjustment (Ohm Adjustment) Turn off all power to the circuit under
What is failing (Voltage, Ohms, or Current)? and reliable needle-movement diagnostics