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. Switch off the Wireless LAN switch
2. Go to Personalization*2 - Desktop Background - Picture Location: Sony  
    Select VAIO Long Battery Life Wallpaper 1600x900 
3. Volume control: Mute
4. Go to VAIO Control Center - Display - Automatic Brightnss Setings Uncheck Adjust brightness automatically.
5. Go to VAIO Control Center - Power Options and check Silent Mode.
6. Go to Graphics Properties*2 - Power - Power Source:Select On battery
    Deselect Display Power Saving Technology

    *2 Right-click desktop

7. Accept the use of VAIO Care. 

Common settings in Control Panel -> Power Options:

* Power Plan 
- Select Power saver

- Go to Change advanced power settings - Advanced settings tab - sleep
Sleep after - On battery :Never
Hibernate after - On battery :Never

- Go to Change advanced power settings - Advanced settings tab - Display
Turn off display After - On battery : 0
Dim the display  - On battery: Never

- Go to Change advanced power settings - VAIO Power Management tab
Refresh Rate - Running on battery :40Hz
Color quality - Running on battery :Medium(16bit)

- Go to Change advanced power settings - Advanced settings tab - battery
Critical battery level - On battery: 1%

JEITA Measuring Method A:
* Display Brightness
1. -When it is a model equipped with display 13.1  (1920 x 1080)
   Go to Power Options - Advanced settings 
   Display Brightness -  28%

   -When it is a model equipped with display 13.1  (1600 x 900)
   Go to Power Options - Advanced settings
   Display Brightness -  22% 

2. MPEG file for the measurement is reproduced continuously with WMP.
   Do not change WMP size.
   Do not set full-screen.