Panasonic CF-T2 Series Reference Manual page 51

Standby/Hibernation Functions
When Closing the Display
release it, a second beep
not previously saved will be lost.
*1
When the speaker function is disabled, e.g., by the key combination the
no beep sound.
At the time of purchase, the computer is set to go into standby mode.
Setting
1
Click [start] - [Control Panel] - [Performance and Maintenance] -
[Power Options] - [Advanced].
2
Click [Stand by] or [Hibernate] for [When I close the lid of my portable
computer], and then click [OK].
Entering the standby or hibernation mode
1
Close the display.
The computer will enter either the standby or hibernation mode, depending on the
setting.
When entering the standby or hibernation mode, close the display correctly. If
you do not (for example, if you open the display soon after you close it), the
computer may not enter standby or hibernation mode.
*1
will sound and the power will be turned off forcibly. Data
51
Fn F4
+ key, there will be