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Have a D-3. 120 Hummingbird Dimension 3sonar. When turned on

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Have a D-3. 120 Hummingbird...
Have a D-3. 120 Hummingbird Dimension 3sonar. When turned on screen is very din hard to read or see. Turning the light on does not help very much either.
Submitted: 2 years ago.Category: Marine Electronics
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Answered in 10 hours by:
12/2/2015
Marine Electronics Expert: Pete, Electronic Engineer replied 2 years ago
Pete
Pete, Electronic Engineer
Category: Marine Electronics
Satisfied Customers: 19,010
Experience: Over 16 years of experience installing and repairing electronics.
Verified

Hi there,

First, test the power supply to verify that the input voltage is good.

If it is, and the display was previously bright enough to see but has suddenly gone dim, then it is likely that the display is failing and needs to be replaced.

The unit can be returned to Humminbird for repair.

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Pete
Pete
Pete, Electronic Engineer
Category: Marine Electronics
Satisfied Customers: 19,010
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Experience: Over 16 years of experience installing and repairing electronics.

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