PDA LCD BacklightBacklight Enable backlight check OK? Check hinge flex connector NO Disconnect hinge flex Backlight YES VPDANO enable signal OK? (X800/24) (X800/51)OK? YES NO YES Backlihgt OK CPU fault Check backlight connections on UI moduleFigure 27. Issue 1 12/1999 PAMS Technical Documentation PAMS Technical Documentation I EEPROM Sec Checksum. Command is used for making internal audio loop tests in Internal Audio Loops dialog. Dialog mode: modal Production Data dialog has the following items: Production Code edit box: User can edit production code.