Kathrein UFS 705si - Manual (Page 65)

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Press the button to replace the old PIN with a new one. Enter the new (four-digit) PIN. For security
you must repeat the new PIN code once again.
Confi rm the change of PIN code by pressing the button.
DEFINE NEW PIN CODE
PARENTAL CONTROL
Keep your password in a safe place, so that you always have access to your
channels even if you might have forgotten it.
If you have forgotten your password, you must contact your dealer, who will be able
to unlock your receiver for you.