How Konka TV enters the engineering mode: summarize the menu password of Konka TV factory 1 and start the TV; 2. Aim the TV remote controller at the TV and press the menu button; 3. Press the number keys 2, 0, 0 and 8 once to enter the engineering mode of TV; 4. After entering the engineering mode, you can generally check the parameter information of the TV. Users are advised not to modify these parameters by themselves, so as not to cause system crash and boot failure.