Acer AR380 F1 - Manual (Page 86)

4 System Bios 68
Main setup
When you first enter the BIOS setup utility, you will enter the main
setup screen. You can always return to the main setup screen by
selecting the main tab on the top of the screen. The main BIOS setup
screen is shown below.
System Overview
System Time/System Date
Use this option to change the system time and date. Highlight System
Time or System Date using the arrow keys. Enter new values using the
keyboard. Press the key or the arrow keys to move between
fields. The date must be entered in MM/DD/YY format. The time is
entered in HH:MM:SS format. (Note: The time is in the 24-hour format.
For example, 5:30 P.M. appears as 17:30:00.)
BIOS Build Ver: This item displays the BIOS revision used in your system.
BIOS Build Date: This item displays the date this BIOS was completed.