http://202.224.189.178/~sgml/viewing/SA-HT822VP/ALL/SVC/s1001030000.html
10.1.3 Service Mode Display
<Overview>
A part of the microcomputer internal information is displayed on the FL in order to ease servicing during
sales.
<Setting>
Press and hold down the FF and EJECT buttons for at least three seconds to enter the service mode. As
this operation is repeated, service number changes starting at 0 up to 7, and then counter (clock) is
displayed.
<Display>
FL display example:
http://202.224.189.178/~sgml/viewing/SA-HT822VP/ALL/SVC/s1001030000.html9/3/2004 9:43:13 AM