TCL 4K LED 55P71B Manual page 15

2. Select the Blue Light Filter option, and press OK to
toggle between on or off.
Notes:
- After watching TV for half an hour, please move
away from the TV and rest your eyes.
- When resting, please look far away to adjust the
ciliary muscles of the eye to avoid eye strain.
- Please form a good habit of doing eye exercises
to protect eyesight and prevent myopia.
EN 15
Using more of your TV