1.) Power LED
Illuminates white when unit is “On”.
2.) Power Button
Push to turn unit “On” & “Off”.
3.) Error LED
Illuminates red if reverse polarity is detected, or blinks “On” and “Off” when the internal battery temperature is too high.
4.) Internal Battery Level
Indicates the charge level of the internal battery.
5.) Boost LED
Illuminates White when Boost is active. If the unit is connected properly to a battery, the GB30 will automatically detect a battery and go into Boost mode (LED flashes White when Manual Overide feature is active).
6.) Manual Override Button
To enable, push and hold for three (3) seconds. WARNING: Disables safety protection and manually forces Boost “On”. Only for use when a battery is too low to be detected.
7.) Light Mode Button
Toggles the ultra-bright LED light through 7 light modes: 100% > 50% > 10% > SOS > Blink > Strobe > Off
8.) Voltmeter Display
Displays the voltage of the vehicle’s battery for enhanced diagnostics and troubleshooting when the battery clamps are connected.
8AM - 4PM
The NOCO Company 30339 Diamond Parkway #102 Glenwillow, OH 44139-5400 United States of America