Before you entering Celestial factory mode to change any value on the factory service mode, please write down all the original factory settings. tvservicemenu are not responsibility for any damage, data error and unwanted effect after using our service code and information on these page.
Original remote or universal remote control needed as a tools to program the factory mode (Recommended use the original remote control).
If the code below do not match to your television please browse another service code in sitemap page.
Celestial 21B33 TV Service mode
Decrease volume to no sound, press and hold mute button on the remote control.
Press Menu button on TV panel until menu and D sign appears on the screen.
To change the value press volume button
Use colored key to select and store settings.