What is a JEITA measuring standard?

JEITA stands for Japan Electronic Information Technology Association (Ver 1.0).
JEITA measuring standard is based on the following conditions:

1. Screen saver: None.
2. Switch off the Wireless LAN switch.
3. Volume control: Mute.
4. Turn off the Windows automatic updates.
5. Close all windows that are currently opened.

Common settings in Control Panel → Power Options
* Power Plan
  Select Power saver
   Go to Change plan settings
    1. Dim the display -> Never
    2. Turn off the display -> Never
    3. Put the computer to sleep -> Never
   Go to Change plan settings-Change advanced power settings
    Sleep
     Sleep after
      On battery -> Never
    Battery
     Low battery notification
      On battery -> Off
     Low battery action
      On battery -> Do nothing

JEITA Measuring Method A:
* Display Brightness
Change the brightness level to 2 with Fn & F5 or F6 key.
or
* Go to Control Panel-Power Options-Change plan settings-Change advanced power settings-Display Brightness
Change the brightness level to 13%.

JEITA Measuring Method B:
* Display Brightness
Change the brightness level to 10 with Fn & F5 or F6 key.
or
* Go to Control Panel-Power Options-Change plan settings-Change advanced power settings-Display Brightness
Change the brightness level to 5%.