press the menu botton then go to the advanced setting and press 8282 to go to the key section
Input the latest keys manually by:
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Click MENU on your remote control
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Go to ADVANCED, scroll down to RESET FACTORY SETTINGS
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Press in sequence 8282fast
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Scroll down ro NagraVision
ı Enter the keys manually on Express Vu lines (1 key is made of – 2 rows)