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post #1 of 2 Old 11-27-2010 Thread Starter
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searching for SL172 LCD Module


we are preparing an old Herreshoff Ketch 31 for a long Distance Trip. Because of our low Budget it is important for us to find as much second hand parts as possible.

Our Echosounder is alright, but the sun destroyed the Display. Does anoyene have an old SL172 depht meter an would be so kind to send it to us (Cape Corall). Of course we would pay for it.

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post #2 of 2 Old 11-27-2010
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What's wrong with the display?

If it is that you can't read it, it may just need to have the polarizing film replaced. LCDs work on cross polarization to create the visibility and if the uV has damaged the plastic polarization film in the display, it won't appear to be working but may in fact be just fine. The easiest way to check is to take a pair of polarized sunglasses and rotate them while looking at the display through them. If the numbers fade in and out, then the display's outermost polarization filter is shot.

This is fairly common and fairly easy to fix. You can buy sheets of the plastic polarized film at any major photo equipment supplier.


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Telstar 28
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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