YASIN U650CV-UMC Guide De L'utilisateur page 66

The fifth item in the OSD menu is the 'LOCK' menu.
Press to open the OSD menu.
MENU
 
Press to select the LOCK item in the OSD menu.
LOCK
Move
 
Press to select the option that you want to adjust in the LOCK menu. Press
adjust. After editing, press
Please enter password
Clear
The default code is 0000.
NOTE:
The administrator code is 8899. This is required to enable Parental Guidance or
Channel Lock.
OSD Menu LOCK
System Lock
Set Password
Channel Lock
Parental Guidance
Key Lock
Return Select
OK
MENU
to save and return to the previous menu.
OK
Cancel
tekst
Off
Off
Off
Exit
EXIT
Password
 
Press to select System Lock. Then
enter the password. You have the
opportunity to try this 3 times.
26
to
OK