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Posting a reply to: Re: Older Lowrance unit

Muskie Fishing -> Muskie Boats and Motors

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Todd Driscoll

Posted 12/6/2013 8:41 AM (#677537 - in reply to #677448)
Subject: Re: Older Lowrance unit

Posts: 19

I'd lean towards a faulty screen. But, also test input voltage to the unit. Inadequate voltage (< 11 volts) can cause issues like this. The two largest pinholes on the unit power plug are input voltage. I also included reset procedures below:

Soft reset:
1. Turn unit OFF
2. Press and hold the PAGES key
3. Press and hold the PWR key
4. Release both buttons when the USA map appears
Hard reset:
1. Turn unit OFF
2. Press and hold the ZIN&ZOUT Keys at the same time
3. Press and hold the PWR key
4. Release both buttons when the USA map appears.