-39-2.3 Panel instructionsHuman-machine Interface LCD panel,through which all visualized operations on theUPS can be realized after the installment, supplies friendly interface for start-up,power-off, status display, failure alarm, parameter setting etc. It consists of indicatinglights, LCD display and function keys. Indicating lights and function keys aredescribed in the table below.■Status Indicator LED:Display the current UPS operating mode or statusIdentifier IndicatorlightColor Status Normal green Load is powered directly by AC Convertor green Load is powering through the inverter Battery yellow Normal input fault, UPS is powering by batteries toload Bypass yellow UPS is powering the load by AC through bypass Fault red LED will solid on or flash when UPS occur fault, andcontinuous or intermission alarm warning■ ⑥—LCD display screen:Detailed information of UPS display■ Key:The choice of menu items, open, access to information, changing system parameters,etc.Identifier Key Name Function Select/input Open the selected menu or enter an operation; Enter thepresent password letter and go to next password letter; Backto main menu from status menu. Down LCD page down UP LCD page up Esc Leave Back to the previous menu from the present one, or cannel anoperation; Clear the present password; Back to status menufrom main menu.Remark: Refer to Appendix 1 for detailed information of LED in accordance with UPScondition.