OPERATING INSTRUCTIONS DBC &AC VOLTAGE MEASUREMENT 1. Conjectured test lone to Emanate ack, Black idea to COM Jack, 2. Set RANGE switch to desired VOLTAGE potion, fhe genitalia 10 be sutured i not known beforehand, et suite to the highest range and reduce t unt! satisfactory seeding Is detained. 3. Connect test lends to device or circuit being measured. 4.