Casio CE6100 Operation Manual page 11

6. Date and Time Programming
1. TURN Turn key to the PROGRAM position
2. DISPLAY
3. ENTER Date in the following format:-
01 to 09. Enter months 1 to 9 as 01 to 09)
4. PRESS X / Date Time button
5. PRESS Clear key
6. ENTER Time in the following format:-
01to 09. Enter minutes 1 to 9 as 01 to 09)
7. PRESS X / Time Date button
8. TURN Key back to REG1
7. Add / Change Clerk Name
1. TURN Turn key to the PROGRAM position
2. ENTER 2
3. PRESS Subtotal button
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Should show PGM1
(for days 1 to 9, be sure to enter them as
YYMMDD
YY = Year
MM = Month
DD = Day
(for hours 1 to 9, be sure to enter them as
HHMM
HH = Hour
MM = Minute