[TenTec] O2 Backlighting Longevity

[Ron Castro]

Does anyone know if the pot that is visible through the top of the front 
chassis in the front of the radio is the contrast control?  You have to take 
the top cover off and IIRC it's about in the center over the display.

Ron N6AHA


----- Original Message ----- 
From: <ss409ss at aol.com>
To: <tentec at contesting.com>
Sent: Tuesday, October 31, 2006 1:31 PM
Subject: Re: [TenTec] O2 Backlighting Longevity


>
>
> I dont know if its EL or a tube but if its a tube it will last longer than 
> EL. EL is affected by age,quality and the amount of time its in operation. 
> 10 years is the best you will get from EL before it starts lose its 
> luster. The Tube (cold cathode) will generally last longer but with both, 
> the transformers that step up the voltage to power them can give up the 
> ghost as well. The tubes stay brighter longer IMHO.
>
>
>
> -----Original Message-----
> From: turnbull at net1.ie
> To: tentec at contesting.com
> Sent: Tue, 31 Oct 2006 2:53 PM
> Subject: [TenTec] O2 Backlighting Longevity
>
>
> Hi All,
> Can anyone tell me what the expected life of the O2 display backlight is.
> Does it make sense to use the lowest illumination level as a means of
> extending the life span.   Is this even an issue?    I have been wondering
> and this is the place to seek out an answer.   I most enjoy reading the
> contributions each day.   Thanks & 73 Doug EI2CN
>
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