P12 Battery Charger LED RemoteLED Indicators Charging LED- Quick check for green light confirms charging Charge Stage- Displays charging stage Equalize LED- Indicates the charger is currently in equalization mode Fan Mode- Indicates charger&';s internal fan mode Charge Output- Displays the percentage of output current for each battery. Will also indicate maximum output setting when maximum output is adjusted to accommodate for AC source limitations Alert- Icon LEDs provide warning and alert status for quick diagnostics Four Control Buttons Fan- User adjustable settings Dim/ Alarm- Provides adjustment to brightness of LEDs on display as well as Silence function for alarms Output- User adjustable charger output when AC source limitations exist that require lowering the AC current draw Power- Places P12 Battery Charger into standby mode WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)Owner&';s Manual (pdf)