Most televisions do not leave the factory set up for a living room. They leave set up for a shop floor.
That means high brightness, boosted colour and processing turned up, all of which help a screen stand out under strip lighting and none of which help once it is on your wall at home.
A few minutes in the settings menu makes more difference to picture quality than most people expect, and it costs nothing.
Cello sets go direct from us to you, so there is no shop floor in the middle. What follows is less about undoing retail settings and more about matching a screen to the room it is actually going to live in.
Start with the picture mode
Almost every set ships in a mode built for retail display. It might be called Vivid, Dynamic or Standard depending on the model.
Switching to Movie, Cinema or Filmmaker Mode usually gives a more accurate image straight away. Colours look less pushed, skin tones look natural rather than orange, and detail in darker scenes stops disappearing.
It can look dull for the first ten minutes. That is your eyes adjusting after the oversaturated version, not the picture being wrong. Give it an evening before deciding.
If the room gets a lot of daylight, keep a brighter mode saved for daytime and switch across in the evening. Most sets remember a different mode per input, so a games console and a streaming stick can each keep their own.
Turn down the sharpness
Sharpness does not add detail. It cannot, because the detail either exists in the signal or it does not.
What it does is add artificial edges around objects, which reads as crispness at a glance and as a faint halo once you notice it. On a modern panel showing a decent source, high sharpness makes the image look worse rather than better.
Bringing it down to zero, or close to it, is one of the single biggest improvements available on most sets.
Deal with motion smoothing
This is the setting behind what people call the soap opera effect.
Motion interpolation generates extra frames between the real ones to smooth movement. On live sport it can genuinely help, keeping fast pans clean. On film it strips away the frame rate that gives a drama its texture, and everything starts to look like it was shot on video.
Most people end up turning it off for films and drama and leaving it on for football and racing. Since settings can be saved per mode, you do not have to pick one and live with it.
Backlight, brightness and contrast are not the same thing
These three get confused constantly.
Backlight controls how much light the panel puts out overall. This is the one to adjust for the room. Bright room, turn it up. Dark room in the evening, turn it down, and eye strain drops noticeably.
Brightness sets the black level, or how dark the darkest parts of the image are. Too high and blacks turn grey and washed out. Too low and detail in shadows vanishes completely.
Contrast sets the white level at the other end. Pushed too far, bright areas lose their detail, so clouds become a flat white shape rather than clouds.
Adjusting backlight for the room, then leaving brightness and contrast near their default positions, gets most people most of the way there.
Colour temperature
Sets often default to a cool temperature, which gives whites a blue tint. It looks bright and clean on a shop floor.
The warmer settings, usually labelled Warm or Warm 2, are closer to how content is actually mastered. Whites look slightly yellow at first and then look correct once you have adjusted.
Energy saving and ambient light sensors
Many sets ship with an ambient light sensor active, adjusting brightness based on the room.
It works well for some people and irritates others, because the picture shifts brightness during a film as the light changes outside. If the image seems to fade and recover on its own, this is usually why.
Check the source before blaming the screen
If a picture still looks soft after all this, the source is worth checking before the settings are.
Streaming quality drops when connection speed dips, often without any obvious warning. Standard definition broadcast channels will never look as sharp as high definition ones on a large screen. And a stretched picture from a 4:3 source will always look soft, because it is being pulled beyond its native shape.
There is more on how resolution works in the Cello Knowledge Centre, including what separates 4K UHD from Full HD.
Worth ten minutes
None of this requires a calibration disc or a technician.
Switch the picture mode, drop the sharpness, decide how you feel about motion smoothing, set the backlight for your room, and warm the colour temperature. That is the bulk of the improvement available.
You can browse the full range at Cello Electronics, and register a new set for warranty cover through the product registration page.