4LED indicationsBlue LED – Goggle is in On-Demand mode Orange LED – Goggle is in Always-On modeRed LED – Battery charging is in progress Green LED – Battery charging is completeSlow Red LED strobe – Three slow red strobes every 4 minutes indicates low battery (less than 15% batterycharge remaining)Fast Red LED Strobe – Battery charging attempted while outside of safe temperature range.Low Battery IndicationA low battery indication is provided whenever the goggle is in either of the above “on” modes and there isless than 15% life left in the batteries. This low battery indication consists of three red LED strobes every 4minutes to alert the user.Lens ReplacementThe Abom goggle features an interchangeable lens system to allow the use of different tinted lenses to matchuser needs. The lens retention mechanism is a series of retention “teeth” positioned around the perimeter ofthe lens assembly. Removal of the lens assembly is accomplished by separating the lens retention teeth fromthe goggle chassis.