Epson 386SX - Manual (Page 53)

If the time and date are incorrect, go to step 2 below.
If the time and date have never been set, the submenu
contains a template for you to fill in:
Go to step 2 to enter the time and date.
2. Press Enter to move the cursor block into the submenu.
3. To set or change the time, press Enter again. You see this
prompt:
4. Using a 24-hour time period, enter the time in the exact
format shown in the box. Type two digits for each part; the
Setup program automatically inserts the colons ( : ). For
example, to set the time to 1:30 p.m., you would type the
following:
1 3 3 0 0 0
You can use the backspace key to make corrections.
Note
If you want to use the number keys on the numeric
keypad to enter the time or date, press the Num Lock
key to enable Num Lock mode. The Num Lock light is
on when Num Lock mode is enabled.
Running the Setup Program 2-15