6 DC/AC MicroProbe Models K100 and K1102.2 Model K100 Features87123456Figure 11. Positive: Red banana plug (+)2. Negative: Black banana plug (-)3. Power ON indicator (green LED)4. OVERLOAD indicator (red LED)5. Power switch6. Zero adjust knob (push in and turn to zero)7. Probe window aperture8. Probe handlewww.ShopAEMC.comShop for AEMC products online at: 1.877.766.5412