switel DF 93x Mode D'emploi page 100

Setting the telephone
☞
The four digit PIN protects some settings against unauthorized changes.
If you have forgotten your PIN please call our service hotline.
Resetting the base station
Menu
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/
☞
The entries in the phonebook will not be deleted. Use the phonebook menu
to delete the entries. The registration of handsets will not be changed.
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Press the Menu softkey.
Select Base Settings and press ✔.
Select BS Default and press ✔.
Enter the relevant PIN and press ✔.