switel DFT 897 Série Mode D'emploi page 176

Setting the telephone
Date/Time
Menu
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Time format
Date format
Enter time
Enter date
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In case of mains failure this setting will be deleted.
Alarm
Menu
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Enter time
Alarm on/off
Ringtone
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Use the Stop softkey to quit an alarm.
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Press the Menu softkey.
Select Settings and press OK.
Select Clock/Alarm and press OK.
Select Date/Time and press OK.
Select one of the following options and confirm with OK:
You can select your desired time format: (24 or 12 hours).
You can select your desired date format:
(dd/mm or mm/dd).
Enter the time using the digit keys. If entering the time using a
12 hour clock then use the #-key to select "am" or "pm" as
required.
Enter the date using the digit keys.
Press the Menu softkey.
Select Settings and press OK.
Select Clock/Alarm and press OK.
Select Alarm and press OK.
Select one of the following options and confirm with OK:
Enter the time.
Select whether the alarm should be given once or daily or set
it to off.
Select a melody.