Battery Clamps 4 5 1 3 2 1 Tool Ready Indicator Lights up solid green when the jump starter is ready for use. 2 Error Indicator Lights up solid red when a reverse polarity, short circuit, over temperature, or improper connection is detected. (The internal buzzer will beep in the meantime). Note: -If the jump starter is properly connected, but neither the Tool Ready nor the Error indicator is illuminated, it may be because the vehicle's battery voltage is less than 3V. Try jump-starting your vehicle with the BOOST mode. 3 BOOST Button Press to enable the BOOST mode (forced output mode). The Tool Ready indicator will light up green. Start your vehicle within 30 seconds.
The BOOST mode automatically turns off, and the green Tool Ready indicator goes out if the vehicle is not started within 30 seconds or successfully cranked. Note: Under the BOOST mode, all safety protections will be temporarily disabled. Use this mode with caution and only when the traditional battery jump option has been tried already. 9