Question about Pioneer DEH-P6800MP CD Player

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After adjusting the time on my deh-p6800mp deck the display screen lights up bright blue and then goes back to normal black background about every 10 seconds. I have looked in the manual but can't find a fix for it

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  • Pioneer Master
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You need to turn the radio off and press the number six or number five preset button, this turns off the display reverse.

Posted on Oct 08, 2009

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How to turn off backlight on iphone 4


There is no separate "back light" setting like there used to be on some earlier phones.

In the Settings app of your iPhone, there is a section called "Display & Brightness". You can use that to make your phone's display brighter or dimmer, but as you have probably discovered, it dims or brightens both the foreground and the background elements together as one.

You can turn it all the way down, which is very dim and hard to see in normal indoor light conditions, but may be preferable in extreme low light conditions like in a nightclub setting, or in complete darkness.

Why isn't there a separate back light setting?
To fully answer this, I would probably have get into more than you ever wanted to know about displays.

First, there is really no background or foreground on today's smart phone displays. The foreground elements and background elements we see on the iPhone are really a graphic illusion created by lighting individual pixels with different colors. All of these pixels are on the same plane, so nothing is really behind or in front of anything else. It's just artistically drawn to look that way.

Brightness is simply an "intensity" setting applied uniformly across all of the underlying individual pixels within the display matrix, and has no relationship to color. For clarity, let's look at the difference between lightness in colors, versus display brightness:

COLOR LIGHTNESS is a matter of how much WHITE (all the RGB colors summed, for example) is present in a given color. This has nothing to do with display brightness.

DISPLAY BRIGHTNESS is a matter of how much LIGHT INTENSITY is applied uniformly across all pixels in the display matrix.

At zero display brightness, you would not see white any better than black, blue, green, red or any other color. You wouldn't see anything.

Why did you expect to be able to control the back light?

Prior to the smartphone era, the displays on early cell phones and pagers (and lots of other devices that had displays) had a lighted background that contrasted with dark foreground elements.

The background intensity was a separate setting on those devices, but that's because the background was the only thing that had intensity. The foreground elements were solid black LCD (liquid crystal display) segments that were used to form characters and very simple graphics and lines.

Everything we see on today's smartphone displays is dynamically drawn by lighting different pixels with different colors at different times. Individual pixels on a Retina display are nearly microscopic in size--they cannot be separately discerned by the eye.

Imagine a matrix of microscopic light bulbs, each of which can separately change to any of millions of colors and levels of brightness at any time, on command. Just imagine the sheer number and complexity of possible commands to control a Retina display!

Even if Apple wanted to provide a new feature that enabled us to separately control the perceived "back light", it would only be an illusion as well.

Such a feature would require some sort of complex algorithm to determine which pixels are involved in what you perceive as the "foreground" elements at any given time, so it could add intensity only to those pixels considered to be "background" at any given time.

Since "foreground" and "background" elements drastically change shape (and location) at any time, such a feature would be pretty daunting to implement.

You might be better off using a pure black graphic as your background image if your goal is to have more contrast to make the app icons stand out.

Cheers,

-=Cameron

Aug 12, 2014 | Apple iPhone4 4G iPhone 4

1 Answer

Display half of screen


screen back light on the other side is busted which need replacement.

Jul 14, 2012 | Computers & Internet

1 Answer

Iv had an n64 before so i think i have a good idea of how to set it up. i've managed to tune my tv in to find where abouts it is but there's only a black screen.i can turn the n64 off an the tv screen goes...


Adjust the vertical or horizontal hold controls. This is helpful even if regular TV stations come in fine. If your TV has an automatic fine tuning control (called AFC or AFT), turn it OFF. Use the manual fine tuning dial to adjust the picture. If turning OFF the AFC/AFT causes your TV to display in black and white, then leave the AFC/AFT ON. Slide the Power Switch on the Control Deck to the ON position. While the control deck remains ON, turn the TV off for 10 second then back on again. This resets your AFC/AFT so that it will tune in the signal from the control deck.

Move your control deck farther away from your TV. If the control deck is too close to the TV, the control deck may cause some interference.

Jan 19, 2011 | Nintendo 64 Console

1 Answer

Wire diagram for DEH-P3700MP


usually is on the deck under the sheath on top or bottom.yellow is battery back-up this goes to power all the time to keep your clock and settings right,red is to power that goes off when ignition turned off,black is ground,blue is amplifier remote turn on,blue/white is power antenna,orange is dimmer that makes display go dull at night when u put headlights on.purple wires and green wires are rear speakers,white and grey wires are front.as for sides im not sure

Jan 04, 2010 | Pioneer DEH-P3700MP CD/MP3/WMA/WAV...

1 Answer

My set has a RED background on all Inputs--DVD,Sat, Recorded DVR.....when playing a DVD a Bright Blue FBI screen is normal and the Bright Green Movie Rating Screen is Normal but the picture is RED....


I found a way to get into the service set-up....press Display, 5 ,volume + and Power.....green numbers come up---could figure out how to go to a Menu-----but somehow the picture is now perfect !

Anybody know why this fixed it......as I said the RED background was on all input screens....the screen with no signal was a solid red instead of Black......

bob

Jun 19, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

7700 pinoeer deck


It's probably too late, but Walmart, Taget and other stores sell the connection kits for most model vehicles, for under $20 bucks. Sounds to me like you had a short in your connections . Soldering is a pain in the ****, but it's the best way to go when doing car audio wiring.

Oct 27, 2008 | Pioneer DEH-P6800MP CD Player

2 Answers

Display


try checking on the settings maybe you accidenally change the lighting schemes in your unit.

Oct 18, 2007 | Pioneer DEH-P6900UB CD Player

2 Answers

Pioneer DEH-P6900UB problem.


It's called Reverse. Just set it to No.

Oct 14, 2007 | Pioneer DEH-P6900UB CD Player

1 Answer

DEH-P670MP Display goes from regular to extra bright, then back


Your deck has "reverse mode" activated. To turn it off, just turn off the power by holding the source button. The press the preset "5" button. When you turn the deck back on, reverse mode should be disabled. (If this doesn't work, try the same procedure with button "6". One's for reverse mode, the other for demo mode, but I'm not sure I remember which is which).

Jul 01, 2007 | Pioneer Premier DEH-P670MP CD Player

1 Answer

Pioneer deh p730


Has it always been like this? I know that the display inverts automatically to save the life of the OEL...otherwise the brightness of the same pixels being on all the time will cause the OEL to 'burn-in' If that isn't the problem, the OEL is going bad. They can run about $100 and usually aren't worth repairing.

Aug 14, 2006 | Pioneer DEH-P730 CD Player

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