Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to calibrate your tv [title] Reset the television to factory settings. [step] Factory settings are the settings for the tv when it has been purchased new. [substeps] These settings are not the ones you want permanently as they are designed for the in-store setting with lots of bright, ambient light.

Ending1: However, you should reset to the factory settings so that you can use it as a foundation when calibrating the display for your own environment. [title] Disable any sort of dynamic display changing. Ending2: Most tvs come with a red wire indicating when to lose or back up tv signal. The right settings are for no more than one channel to pass due to negative factory settings. Ending3: You then have to reset the tv by pressing the power/button and/or turn tv on. [title] Replace untested parts with new ones. Ending4: Factory settings are more for your tv calibration than for the television itself. This information is often important if you only use the tv for homework which requires that you immediately call the program support person with instructions and have them inform you of the correct settings, or for the models of available brands, models, and sizes.

Answer format: ending1/ending2/ending3/ending4