. OPERATION DETAILED CONTROLS AND GAUGES REMARK as follows. 3 - 10 The colors lightin g up the monitors related t o the emerge ncy stop items, c aution items, and basic chec k items are AA: Screen for st andard all lamps lighted up time warning screen BB: Screen with all lamps lighted up CC: Maintenance time warning screen Colo Type of monitor When normal r when monitor lights up When abnormal At low temperature (1) Engine co olant temperature monitor Blue Red White (2) Hydraulic oil temperature monitor Blue Red White (3) Fuel level monitor Blue Red - (4) Charge le vel monitor OFF Red - (5) Engine oil pressure monitor OFF Red - (6) Maintena nce interval monitor OFF Red -