What is JEITA measuring standard?

About JEITA measuring standard:

Settings:
1. Volume control: Mute
2. Airplane Mode: ON
3. Turn-off Windows Automatic Update

VAIO Control Center:

1. Image Quality -> Display Brightness: Off

Common settings in Control Panel -> Power Options:
Power Plan:

1. Select Power Saver.
2. Go to Change plan settings -> Change advanced power settings-> On Battery:
   • Dim the display: Never
   • Turn off the display: Never
   • Put the computer to sleep: Never
3. Go to Change plan settings -> Change advanced power settings -> Advanced settings -> Battery -> Low battery notification-> On Battery: Off

1. Change the brightness level to 4 using Fn + F5 or F6 keys.

JEITA Measuring Method B:
Display Brightness

1. Change the brightness level to 0 using Fn + F5 or F6 keys.