Video Attenuation - Civinfo
 
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post #1 of 12 (permalink) Old 7th March 2014, 13:40 Thread Starter
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Attenuation

Hi, hope everyone's well.

Right.. I have a reversing camera, I have wired it up and it's working, but the picture is way too bright. I got told I need an attentuator to drop the power a little and that will fix the picture.

Can anyone point me in the right direction on how to get my camera attenuated.

It's a 12v power supply.

I hope someone can help.

Regards
Fes.


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post #2 of 12 (permalink) Old 7th March 2014, 13:57
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it will reduce the signal but to whether it will dim the light output i'm unsure.


http://en.wikipedia.org/wiki/Attenuator_(electronics)
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post #3 of 12 (permalink) Old 7th March 2014, 14:01
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I bought a 6db attenuator from eBay

The same as on the below link

http://www.civinfo.com/forum/civinfo...ameras-17.html
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post #4 of 12 (permalink) Old 7th March 2014, 14:04 Thread Starter
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Quote:
Originally Posted by deni.babe View Post
it will reduce the signal but to whether it will dim the light output i'm unsure.





http://en.wikipedia.org/wiki/Attenuator_(electronics)

Thank you for this


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post #5 of 12 (permalink) Old 7th March 2014, 14:05 Thread Starter
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Quote:
Originally Posted by Bench View Post
I bought a 6db attenuator from eBay

The same as on the below link

http://www.civinfo.com/forum/civinfo...ameras-17.html

Cheers Bench,

The link is of a thread.


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post #6 of 12 (permalink) Old 7th March 2014, 18:31
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in the thread is a eBay link
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post #7 of 12 (permalink) Old 7th March 2014, 19:54 Thread Starter
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Quote:
Originally Posted by Bench View Post
in the thread is a eBay link

Ahh rightio..
I'll find it.
Cheers fella


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post #8 of 12 (permalink) Old 8th March 2014, 11:15 Thread Starter
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Found the link, ordered the 2 bits.

What I want to know now is, do these bits go on the video (yellow) or power (red) cable?

Sorry if I'm asking an obvious question.

Thanks.


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post #9 of 12 (permalink) Old 10th March 2014, 18:54
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Out of interest, do you have the Honda satnav unit or a double din?

On my Pioneer unit for example you hold one of the buttons for a couple of seconds and that will then allow adjustment of either the day/night/camera view brightness, contrast, colour etc.
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post #10 of 12 (permalink) Old 10th March 2014, 19:21 Thread Starter
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Originally Posted by discus View Post
Out of interest, do you have the Honda satnav unit or a double din?

On my Pioneer unit for example you hold one of the buttons for a couple of seconds and that will then allow adjustment of either the day/night/camera view brightness, contrast, colour etc.

Mines a standard honda navi unit pal. I've tried all settings on there but it's a no go.

It definitely needs attenuation, just waiting for the bits to come and hope they work.

Thanks for the info though.


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post #11 of 12 (permalink) Old 17th March 2014, 18:34 Thread Starter
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***UPDATE***

My camera needed an attenuator and adaptor, I bought both and with a little modifying fitted them.

It went from this..

To this..

As you can see the picture is much better with a lot more colour.

It was well worth it.

Here are two other photos I took.
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post #12 of 12 (permalink) Old 8th April 2014, 10:25
 
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Hi, can someone tell me where to plug this attenuator to cure the over exposure issue? I am quite novice in electronics so please be specific (photos would help immensely too)
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