Toshiba Tecra A7 - Determining remaining battery power

User’s Manual 6-14
Power and Power-Up Modes
System Auto Off
This feature turns the system off automatically if it is not used for a set
duration. The system shuts down in Standby mode or Hibernation mode in
windows.
If the panel power off function is enabled and use Shut down Windows, do
not close the display until the shut down function is completed.