Respuesta :

1. The Red Meter lead/Probe is Positive 2. The Black Meter lead/Probe is Negative 3. There are three meter scales you are working with. Not only this but, the 10 range is used for 10V and the 1000 Volt selector switch positions the 50 range is used for 0.5V and the 50 Volt selector switch positions the 250 range is used for 2.5V and the 250 Volt selector switch positions this is the position you start with.