If you are not able to control your TV's volume with the converter's remote control:
Test other buttons on the remote control, such as to ensure the batteries still have power. If other features on the remote are not working, change the batteries and try again.
Press . This will tell the remote to control the TV with your next button press.
Press or .
If the issue remains, press . Your TV should turn off. If your TV does not turn off, you need to program your remote to operate your TV. You will then be able to control most of your TV's functions, including volume, by using your converter's remote control.