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. Cancel Prepare your VAIO 
2. Screen saver: None.
3. Switch off the Wireless LAN switch.
4. Volume control: Mute.
5. Turn off the Windows automatic updates
6. Complete the initial settings of McAfee SecurityCenter.
7. Set the desktop background to VAIO Long Battery Life Wallpaper 1366x768
8. Uncheck Adjust brightness automatically in VAIO Control Center -> Display -> Automatic Brightness Settings

Common settings in Control Panel -> Power Options:

* Power Plan
1. Select Power saver 

* Edit Plan Settings
Go to Change plan settings -> Change advanced power settings -> On battery
1. Dim the display: Never
2. Turn off the display: Never
3. Put the computer to sleep: Never 
4. Adjust plan brightness: Minimum (Far left)

* VAIO Power Management
Go to Change advanced power settings -> VAIO Power Management -> Running on batteries 
1. Color quality: Select Medium (16 bit)
Note that other detailed settings in Advanced settings tab were customized in measurement. 

Common settings in Control Panel -> Power Options
* Power Plan
1. Select Power saver
   Go to Change plan settings -> Change advanced power settings -> On battery
    1. [Sleep]-[Sleep after] : Never
    2. [Sleep]-[Hibernate after] : Never
    3. [Display]-[Dim display after] : 0
    4. [Display]-[Turn off display after] : Never
    5. [Battery]-[Critical battery level] : 1
   
* VAIO Power Management
Go to Change advanced power settings -> VAIO Power Management -> Running on batteries
1. Color quality: Select Medium (16 bit)
Note that other detailed settings in [Advanced settings] tab were customized in measurement. 

JEITA Measuring Method a: 
* Display Brightness
Go to Control Panel -> Power Options -> Change plan settings -> Change advanced power settings -> Display Brightness -> On battery
1. Change the brightness level to 34%