7
E. System lock operation
Press “SET” key for 2-3 seconds, LCD will present as the
following diagram.
After 2-3 seconds, LCD will change to one of the following
diagrams.
It depends on the last status when LCD was turned off to see what
it will show now.
If the LCD shows LOC ON, you can do nothing on the system,
even you cannot power off the system. Only when it shows LOC
OFF, you can make changes.
If it is in LOCK ON mode, press “SET” key for 2-3 seconds,
then press
“ ▲ ▼ ”
key to set to LOC OFF. You can change
function at LOC OFF status. Press “SET” key to confirm it after
changing function, otherwise receiver CPU keeps last status.