DirecTV HR34 User Manual page 84

SETTINGS
"Reset Defaults" erases all of your personal preference items,
such as parental controls, favorites, language and scheduled
recordings, and restores the receiver configuration to how it was
set at the factory.
"Reset Everything" Completely erases everything from system
memory and starts over like a new receiver.
recordings will be erased from the hard drive!
NOTE: If Parental Controls are locked, you must enter your
password to reset the receiver.
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WARNING: All your