Sony mhc-gzr99d Operating Instructions Manual page 122

If the system still does not operate
properly after performing the
above measures or other troubles
not described above occur, reset the
system as follows:
Use buttons on the unit to reset the
system to its factory default settings.
1
Unplug the power cord.
2
Plug the power cord back in.
3
Press  to turn on the system.
4
While holding down , press DISC 3
and press  at the same time.
"COLD RESET" appears in the display.
The system is reset to the factory
settings except for the "SETUP"
settings. You should set the settings
you made, such as the preset stations,
clock and timer.
To return the "SETUP" settings to the
default settings*, perform reset as
follows:
1
Press
stopped.
The Control Menu appears on the TV
screen.
1
GB
DISPLAY when playback is
2
Press  or  repeatedly to select
(SETUP), then press ENTER.
3
Press  or  repeatedly to select
"CUSTOM, " then press ENTER.
The Setup Menu appears.
4
Press  or  repeatedly to select
"SYSTEM SETUP, " then press ENTER.
5
Press  or  repeatedly to select
"RESET, " then press ENTER.
6
Press  or  repeatedly to select
"YES, " then press ENTER.
It takes a few seconds to complete.
Do not press  when resetting the
system.
* Except for "PARENTAL CONTROL" settings