Service ManualModelModelModelModel No.:No.:No.:No.: 75UF555075UF555075UF555075UF5550apterapterhapterhapter 8.8.8.8. MeasurementsMeasurementsMeasurementsMeasurements andandandand AdjustmentsAdjustmentsAdjustmentsAdjustments8-1.8-1.8-1.8-1. ServiceServiceServiceService ModeModeModeMode8-1-1.How8-1-1.How8-1-1.How8-1-1.How totototo enterenterenterenter intointointointo ServiceServiceServiceService ModeModeModeModeThe way to the factory mode menu:Step 1: Press Menu,Step 2: Input “8893”,System will be into the factory mode menu when 2 steps above are done.At the end of the main factory menu, you can see the edition of the software,8-1-2.How8-1-2.How8-1-2.How8-1-2.How totototo exitexitexitexitIf you want to exit this factory menu, please press the button ”Exit” on the remote.system will be out the factory mode menu.8-2.8-2.8-2.8-2. MeasurementsMeasurementsMeasurementsMeasurements andandandand AdjustmentsAdjustmentsAdjustmentsAdjustments8-2-1.8-2-1.8-2-1.8-2-1. TheTheTheThe MainMainMainMain MenuMenuMenuMenuIn factory mode menu,press up/downbutton to choose the up/down item,pressright or OK button to the submenu.pressMENU button to go back.31313131