Samsung Phone System
From any Display handset follow these instructions with the handset down.
1. Press TRSF key
2. Dial 200
3. Dial 1234
4. Dial 1
5. Press SPEAKER key
6. Dial 505
7. Enter new day date and time in format shown on display
W: Weekday (1 for Monday to 7 for Sunday)
MM: Month of year (1 to 12)
DD: Day of month (1 to 31)
YY: Last 2 digits of year
HH: Hour (24 hr clock - 00 to 23)
MM: Minutes (00 to 59)
8. Press TRSF key
