What is JEITA measuring standard?

About JEITA Measuring Standard:

Settings:
1. Wait for 30 minutes after Windows starts.
2. Turn-on Wi-fi, Bluetooth, and GP. *1
3. Turn-off NFC. *1
*1: Move to Charm -> Settings -> Change PC settings -> Wireless

4. Move to Desktop - Charm -> Settings -> Control panel -> Hardware and Sound -> Change when the computer sleeps -> Change advance power settings:

Sleep
-Sleep after On battery : Never
-Hibernate after On battery : Never

 Display
-Dim display after On battery : 0 Minutes
-Turn off display after On battery : Never
-Display brightness On battery : 0%

 Battery
-Critical battery action On battery : Shut down
-Low battery level On battery : 0%
-Critical battery level On battery : 100%
-Low battery notification On battery : Off
-Low battery action On battery : Do nothing

JEITA Measuring Method A:
MPEG file for the measurement is reproduced continuously with WMP.
Do not change WMP size.
Do not set full-screen.