switel DF 87 Série Mode D'emploi page 164

Appendix
Default settings
Call list
Phonebook
Alarm
Ringer handset
Tone setup
Language
Handset name
Auto answer
Date & Time
Dial mode
Flash time
PIN
36
No entry
No entry
Off
Internal call: Melody 1
External call: Melody 2
Volume: 3
Key tone: On
Battery tone: On
Out of range: On
German
DF 871
On
Date format: DD-MM-YYYY
Time format: 24 hours
Tone
Short (100 ms)
0 0 0 0