Toshiba 23WLT46B Owner's Manual page 29

advanced operation
Hint
If you want the channel and
menu locks to work efficiently
and actually protect channels
from access, do change the
PIN code from the factory de-
f a u l t . M a k e s u r e t h a t y o u
choose a number that is not
obvious to others but one that
can be remembered by you.
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