Power Supply Testing/Tutorial on preparing the multimeter for start measuring the voltage

Tutorial on setting up the multimeter for start measuring the voltage edit

1. Get the Multimeter
 
get a multimeter
2. Get the Red and black voltmeter probe cable
 
voltmeter probe cables
3. Plug them in the multimeter. The Black voltmeter probe cable needs to be plugged in the "COM" which stands for "COMMON". The Red voltmeter probe cable needs to be plugged in the "VΩmA"
 
Black voltmeter probe cable plugged in the "COM" the Red voltmeter probe cable plugged in the "VΩmA"
4.Turn on the multimeter to 20 Direct Current Voltage
 
turning the multimeter to 20 direct current
5. One is ready to take measure voltage by touching two points in the circuit. A negative number means that the electromotive force is higher where the black probe is touching.