LCD LIGHT IS THE TOP PORTION OF THE PHONE WITH THE DATE/TIME/CALENDAR SUPPOSE TO BE LIT ?

Try scrolling down!

On my model, I go to menu, then calendar, then calendar will show up & you can use arrows at the top to pick month & year, then once you got the right month, tap on correct day. that is for the date.

The time should come up automatically when you turn on your phone. Mine even changes to correct daylight saving time automatically.

go to setting
find time and date setting then open it
you can change your date and calendar in that setting

Try selecting the main item and not the occurence then choose to delete it.

This could work if you go to the very first day and time it was scheduled.

I Suppose that is Casio SE-S300 Model :
To change Date,
1. Key turn to PGM
2. Press [1] [Subtotal]
3. Input today's date, eg : 8 March 2010
Press [1] [0] [0] [3] [0] [8]
4. Press [X/Date/Time]
5. Key turn back to REG
6. O.K.

plz refer to the manual, if you dont have then you give your mobile make and model no

To add, change, or delete a Calendar appointment from the handheld, follow these steps: To add an appointment

1. From the Home screen, press the Menu key.
2. Scroll to and select Calendar.
   • NOTE: To select, press the trackball.
3. Scroll to and select desired date and time.
   • NOTE: Selecting exact date and time will default to that date and time when the appointment opens, however these fields can be changed so any date and time can be selected.
4. Enter a Subject.
5. Enter a Location.
6. If desired, select All Day Event.
7. If desired, scroll to and set the Start and End date and time.
   • The 'Duration' should update accordingly.
8. Scroll to and set Time Zone as desired.
9. Scroll to Show Time As.
10. Select one of the following as desired:
    • Free
    • Tentative
    • Busy
    • Out of Office
11. Scroll to and set Reminder time as desired.
    • The options range from None to 1 Week.
12. Scroll to and set Recurrence as desired:
    • None
    • Daily
    • Weekly
    • Monthly
    • Yearly
13. If desired, select Mark as Private.
14. If desired, select Notes, then type any notes.
15. Press the Escape key.
16. Select Save.

To change an appointment

1. From the Home screen, press the Menu key.
2. Scroll to and select Calendar.
   • NOTE: To select, press the trackball.
3. Select the appointment to be changed.
4. Adjust any options as desired.
   • NOTE: The available appointment options are listed in the portion above.
5. Press the Escape key.
6. Select Save.

To delete an appointment

1. From the Home screen, press the Menu key.
2. Scroll to and select Calendar.
   • NOTE: To select, press the trackball.
3. Select the appointment to be deleted.
4. Scroll to and select one of the following:
   • Open the series (for reoccurring appointments)
   • Open this occurrence
5. Press the Menu key.
6. Select Delete.
7. Select Delete again to confirm.

I would recomend that you powercycle your phone regularly. If you have anymore questions feel free to ask me.

The Settings menu provides you with various setting
options to customise the phone to your preferences
and needs. You can also reset the settings to their
default values.
To access this menu, press <Menu> in Idle mode and
select Settings.
Time and date (Menu 9.1)
Use this menu to set the current time and date on
your phone.
• Home zone: set the home time zone. Select the
city that corresponds to your home zone. To set
daylight saving time, select Set daylight saving
time.
• Time: enter the current time.
• AM/PM: select AM or PM in 12-hour time format.
• Time format: select the time format.
• Date: enter the current date.
• Date format: select the date format.
• Auto update: activate the auto time update
feature. Your phone will read the MCC (Mobile
Country Code) from the network and automatically
update the current time for the country that you
are in when you travel abroad.

Try to update with new software if it still wont work then u have a problem with ur batery

Updated Instructions Simple fix for a corrupted Date Book sync error (at least it worked for me on my Treo 650). 1). Turn off 'Show Calendar Event' in the Phones 'Options - General Preferences' menu. 2). Turn off phone. 3). Set the Date/Time to the maximum limits (12/31/31) in Preferences. 4). Open the Calendar and view the maximum day 12/31/31. 5). Select 'Purge - (Delete events older then 1 week)' in the Calendars Options menu. 6). Reset the Date/Time to the current day in Preferences. 7). Hotsync (Desktop Calendar overwrites handheld). 8). Hotsync again to make sure you don’t get the error (Synchronize the files). That’s it. =============================== Outlook Calendar The attempt to open the database failed. Date Book application database is not found. Please invoke the Date Book application on the handheld once and re-synchronize. OLERR:05-0001 OLERR:0D-0004 OLERR:0D-0001 - Not Synchronized Outlook Calendar synchronization failed OLERR:15-0002 OLERR:06-0001 ===============================