My sansa e250

"GT": Grand Total
"•": Neutral
" ": To set up date, time, conversion
rate, and tax/discount rate, place the
switch at the "RATE SET" position.
Date:
• Enter in the order of month, day
and year, then press to
complete the entry.
• Use to separate month, day,
and year.
• When is pressed, the number
entered is evaluated and displayed
as "date" if the value is within the
following range; "Error" is
displayed otherwise, and the
previously set date is restored.
Month: 1 - 12; day: 1 - 31; Year:
2000 - 2099 (in 4 digits) or 00 - 99
(in 2 digits)
Time:
• Enter in the order of hour, minutes,
then press to complete the
entry.
(There is no entry available for the
seconds value. The clock starts at
zero second.)
• If the hour/minute digit is less than
10, it is not necessary to enter the
first digit "0".
• Use to separate hour and
minute values.
• When is pressed, the number
entered is evaluated and displayed
as "time" if the value is within the
following range; "Error" is
displayed otherwise, and the
previously set time is restored.
Hour: 0 - 23 (24-hour system for
the hour entry), Minute: 0 - 59

Set the date and time:
The current date and time are shown in the display when the machine is on and ready for use (Ready mode). The date and time will be printed on all faxes you send.
1. Press Menu.
2. Press Left Right Arrow to choose SET DATE & TIME and press Start/Enter.
3. Press Start/Enter when the display shows Date Format.
4. Press Left Right Arrow to select either Europe (day month year) or USA (month day year) and press Start/Enter.
5. Press Start/Enter when the display shows Date & Time.
6. Set the date and time. You can move the cursor by pressing Left Right Arrow.
7. Press Start/Enter when the date and time are correct.
1-AM 2-PM will display.
8. Press 1 or 2.

The current time and date are shown on the display when the machine is on and ready for use (standby mode). The time and date are printed on all faxes you send.
Note: If power to the machine is cut off for over 30 minutes, when power is restored, the machine prompts you to reset the time and date.
1. Press Setup. The display shows the first setup menu; FAX NUMBER/NAME.
2. Press left arrow or right arrow until 'TIME/DATE SETUP' appears, then press
Start/Enter. The display asks you to choose a date format.
3. Press Start/Enter.
4. Press left arrow or right arrow until you find the desired date format, then press
Start/Enter.
If you select USA, the time and date appears in the order of month, day, then year. The EUROPE format will be displayed in the order of day, month, then year.
The display shows the currently set time and date using the selected date format.
5. Enter the correct time and date using the number keypad.
Day = 01~31
Month = 01~12
Year = four digits
Hour = 00~23
Minute = 00~59
You can also use left arrow or right arrow to move the cursor under the digit you want
to correct, then enter a new number.
6. Press Start/Enter when the time and date on the display is correct. If you enter an invalid number, the machine beeps and does not proceed to the next step. If this happens, just reenter the correct number.
The display shows the time and date you have set, then returns to
Standby mode.
06-25-1999 12:30 ('USA' type)

Enter into BIOS

• Enter the CMOS setup.
• system setup screen see the date and time
• Using your arow key on the keyboard navigate to the date and change the date. Once highlighted on the month, day, or year, press your arrow key / your page up / page down keys to change the date.

Using Msdos command

• Press Control + r key togather
  
• type cmd
• on the black screen type date
• press enter. It will be showing the current date and also asking you to put the new date in the format mm-dd-yy,
• type new one as per format
• press enter

For time
Press Control + r key
type cmd
on the black screen type time
press enter. It will be asking for new time,enter new time and close the black box.

GOOD LUCK!!

go to setting, then time and date settings and then set time and date

To change the time on a prostar 816 you first need to be at a display set (doesn't matter what the extension number is).
with the handset down, enter #20 the screen should say MMC DISABLED
1) enter in 1 2 3 4 1 # (that enables programming)
2) enter in #55 the screen should say YYMMDDWHHMM
3) enter in the year, month, day, day of the week, hours and minutes(the day of the week values are 1= mon. 2= tues. etc.)
press # when finished.

To set the date and time, do the following:

1. Press function 7
2. Press 1
3. Press SET
4. Enter date and time using 2 digits for month (sept 09)
5. Enter 2 digits for Date
6. Enter 4 digits for year
7. Enter 4 digits for time (military time ex: 3pm 1500)
8. Press SET
9. Press STOP

The date and time are now set. Best of luck.
Greg

You can access the .pdf manual for your particular calculator here:

http://www.sharpusa.com/files/cal_man_EL1750PIII.pdf

Page 1 for how to set date/time:

“RATE SET”: To set the date, time, and tax rate, set this switch at the “RATE SET” position.
Date:
• Enter in the order of month, day and year, then press to complete the entry.
• Use to separate month, day, and year.
• When is pressed, the number entered is evaluated and displayed as “date” if the
value is within the following range; “Error” is displayed otherwise, and the previously set
date is restored.
Month: 1 - 12; day: 1 - 31; Year: 2000 - 2099 (in 4 digits) or 00 - 99 (in 2 digits)
Time:
• Enter in the order of hour, minutes, then press to complete the entry.
(There is no entry available for the seconds value. The clock starts at zero second.)
• If the hour/minute digit is less than 10, it is not necessary to enter the first digit “0”.
• Use to separate hour and minute values.
• When is pressed, the number entered is evaluated and displayed as “time” if the
value is within the following range; “Error” is displayed otherwise, and the previously set
time is restored.
Hour: 0 - 23 (24-hour system for the hour entry), Minute: 0 - 59

To set up date, time, conversion rate, and tax/discount
rate, place the switch at the "RATE SET" position.
Date:
• Enter in the order of month, day and year, then press date/time button
to complete the entry.
• Use ▪ to separate month, day, and year EXAMPLE 3▪13▪2009.
• When (date/time) button is pressed, the number entered is evaluated
and displayed as “date”
Time:
• Enter in the order of hour, minutes, then press date/time button to
complete the entry.
(There is no entry available for the seconds value. The
clock starts at zero second.)
• Use ▪ to separate hour and minute values EXAMPLE 8▪15
• When is date/time button is pressed, the number entered is evaluated
and displayed as “time

When settings are complete place the switch back to GT

This should take care of it for you.

NOTE: The current date and time are displayed on the LCD when the machine is ON and ready for use (Standby mode). The date and time are printed on all faxes that are sent. When the machine is installed for the first time, the LCD will prompt for the date and time to be set.

1. Press the [Setup] button on the Control Panel. 'Fax Number / Name' will be displayed on the LCD.
2. Press the left or right arrow button until 'Time / Date Setup' is displayed, then press the [Start / Enter] button to access the Time / Date Setup menu. The LCD will prompt you to select a Date Format.
3. Press the [Start / Enter] button.
4. Press the left or right arrow button to select the required date format, then press [Start / Enter]. The LCD will display the currently set date and time using the selected date format and prompt to set the month. The cursor will be under the first digit of the month and the number will blink.
   
   NOTE: If you select USA, the date will be displayed in the format of Month-Day-Year. If you select Europe, the date will be displayed in the format of Day-Month-Year.
   
   
5. Enter the correct date using the numeric keypad on the Control Panel. Each time you enter the appropriate number, the LCD will prompt for the next item to be entered in the following order: month, day, year, hour, and minute.
6. Enter the correct time in 24-hour format using the numeric keypad. For example, enter 22:30 for 10:30 P.M. If an invalid number is entered, the LCD will not proceed to the next step. Re-enter the correct number.
7. Press the [Start / Enter] button to save the setting and return to the Standby mode. The LCD will display the date and that has been set.