Uniden EXa15580 - Manual (Page 48)

Changing the Digital Security Code
To protect you against misbilled calls which might result from your phone being
activated by other equipment, the cordless phone provides AutoSecure
TM to
electronically locks your phone when the handset is in the base. Also, the Random
Code
TM digital security which automatically selects one of over 262,000 digital
security codes for the handset and base.
If the handset battery pack is completely discharged or the battery pack is removed,
the digital security code will be lost. If this happens, a new security code is set
automatically the next time the battery pack is charged.
In the rare situation that you suspect another cordless telephone is using the same
security code, you can change the code.
1) Remove the handset from the base unit. Press and hold the find hs key on the
base.
2) While holding the find hs key, place the handset in the base unit, and leave the
handset on the base for more than 3 seconds. A new random security code is set.
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