POWER (off) MUTE 8 2 4 POWER (on) -> pin reset
MUTE 1 1 9 OK -> "HotelMode"
MUTE 1 2 0 EXIT -> "LEDDemo" (didn't seem to do anything?)
MUTE 1 8 4 EXIT -> "DV"
MUTE 1 8 5 EXIT -> ?
MUTE 1 8 7 EXIT -> "DSG" (some HDMI test)
MUTE 7 3 7 OK -> "PDPFactory"
MUTE 7 5 0 EXIT -> "FlashPlayerDemo" (goes to content library screen)
MUTE 9 4 8 EXIT -> "YahooFactoryReset" (resets widgets)
MUTE OK MUTE OK -> "InfoLinkDemo"
MUTE ["RSS" key?] -> "ControlPanelVoltage"
INFO [unknown key with code 0x3B] -> "Factory"
INFO 3 2 1 EXIT -> "Calibration"
INFO for 10 secs -> Digital signal quality information
RETURN for 10 secs -> Internal diagnostics and report
EXIT for 10 secs -> Factory reset (also TV channels has to be re-tune