Chapter8. Measurements and Adjustments8-1. Service Mode8-1-1.How to enter into Service ModeThe way to the factory mode menu:1st, press menu,2en, input 8893,Finished these operations ,system will be into the factory mode menu.At the end of the main factory menu, you can see the edition of the software,like this” L_MSD209_AU32 ”.8-1-2.How to exitIf 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. Measurements and Adjustments8-2-1. The Main MenuIn factory mode menu,press up/down button to choose the up/down item,press left/right buttonto the submenu,press "OK"button to affirm .press MENU button go to the next page.MTK5305 Factory MenuIn this page, you just consider "RESETALL" function.This function you can reset alldate return to factory state.if you encounterinextricable problem,you can try this function.Press up/down button to select "RESETALL",press "OK" button.It needs a fewsecounds.NOTE : After reset ,please shut off the power.Be carefully use this function.Service ManualModel No.: HL46XSL246