Hop-On Wireless Inc. HPN1800 Benutzerhandbuch

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than that to which the receiver is connected. 
Consult the dealer or an experienced radio/TV technician 
for help. 
10.5 Electronic Serial Number (ESN) 
This phone is equipped with a 32 bit binary ESN number that uniquely identifies this 
phone and has been programmed into internal memory by the manufacturer. Any attempt 
to change the ESN number will render the phone inoperative. The emergency call (911) 
will however remain operative. 
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