What is a JEITA A measuring standard?

JEITA A stands for Japan Electronic Information Technology Association (Ver 1.0).
JEITA A measuring standard is based on the following conditions:
1. Go to Control Panel -> Hardware and Sound -> Display -> Change screen saver tab
   Select None.
2. Switch off the Wireless LAN switch
3. Volume control: Mute
   Change the volume control to Muting with Fn & F2 key
4. Go to Control Panel -> System and Security -> Windows Update -> Turn automatic updating on or off -> Important updates -> Select Never check for updates(not recommended).
5. Go to VAIO Control Center - Power Management - Power Options 
   Uncheck the checkbox of Automatically enter Hibernate mode when battery is low.
6. Go to VAIO Control Center -> Power Management -> Power Options -> Advanced tab
   * Power Plan
   - Select Power saver

   - Go to Change plan settings 
   - Turn off the display - Never
   - Put the computer to sleep - Never

JEITA Measuring Method A:
* Display Brightness
Change the brightness level to 1 with Fn & F5 or F6 key.