Hitachi ZW 550-6 Operator's Manual page 116

5. Press selector knob (2) to display Date and Time screen
(7).
6. Rotate selector knob (2) to highlight Display Form (8).
7. Press selector knob (2) to display Display Form screen (9).
8. Rotate selector knob (2) to highlight Date (10) and push
selector knob (2).
Date : Each time selector knob (2) is pushed, the date
format is changed as follows: YYYY/MM/DD 
MM/DD/YYYY  DD/MM/YYYY  YYYY/MM/DD.
Time : Each time selector knob (2) is pushed, the time
format is changed as follows: 12 h  24 h  12 h.
OPERATOR'S STATION
1-52
2
7
9
MNEC-01-006
8
MNHG-01-148EN
10
MNHG-01-149EN
MNEK-01-302EN
MNEK-01-303EN
MNEK-01-304EN
MNEK-01-300EN
MNEK-01-301EN