Factory Settings - Profoon PDX-8420 User Manual

10.5 Factory settings:

You can reset the settings the way they were when the phone left the
factory, through the option [ DEFAULT ]:
Name handset:
Display language:
Ring volume:
Call melody external call:
Call melody internal call:
Reception volume:
Show handset:
Key lock:
Alarm:
Auto answer:
Date format:
Hour format:
Flash time:
Redialling memory:
Caller-ID memory:
PIN code:
The memories stay undisturbed with this reset instruction.
handset
Dutch
level 3
melody 6
melody 1
level 3
on
off
off
off
day-month-year
24 hours
short (100 ms)
empty
empty
0000
-20-