To change the TV channel using the remote controller, refer to the 'Remote Controller' section on page 10 of the manual for detailed instructions on the buttons and functions available.

If the TV is not responding to the remote controller, refer to the 'Trouble shooting' section on page 15 of the manual for potential solutions and troubleshooting steps.

If the power cord or plug of the Haier LE39B9000 is damaged, you should unplug the apparatus and refer all servicing to qualified service personnel. Do not attempt to repair it yourself.

To assemble the stand, place the TV with the display side down on a flat surface and use a cloth to protect the display. Attach the stand base set to the bottom of the TV by firmly tightening the supplied 6 screws.

To turn on the TV, first ensure it is connected to the power supply. Then, press the power switch on the TV to enter standby mode. After that, press the standby key on the remote control to enter normal playing status.

If there is no picture on your TV, first check if the power cord is properly inserted and the power switch is turned on. Also, inspect the contrast, brightness, and volume settings. Additionally, press the standby key on the remote control to see if the TV responds.

If your TV is displaying no color, check the color control settings. If the audio is normal or weak, you might need to retune the channel. If there is interference, ensure that the audio system is functioning correctly and that there are no nearby electronic devices, cars, motorcycles, or fluorescent lights causing interference.