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Furuno 1722C - FF display locks up

Old 07-22-2004, 08:02 PM
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Default Furuno 1722C - FF display locks up

Has anyone had problems with the 1722C sounder display locking up ? Screen still displays but is not real time (stops scrolling) None of the sounder display functions work and plotter & radar functions are not affected. Power the 1722C off and back on do not correct. I have to power down the 1722C and Network sounder (BBFF1) two or three times to clear the problem.

Any help would be appreciated.
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Old 07-22-2004, 09:44 PM
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Default RE: Furuno 1722C - FF display locks up

I've had that happen twice when I shut off my main power panels at the fuel dock , BEFORE , turning off the NAVNET. Corrected the problem by doing a full reset of the sonar.

First make sure that the BBFF1 has a blinking green light. Then run the self diagnostic test before you do anything. And just reset the FF not the GPS or radar if they are working ok. The full reset will restore all settings to default, causing you to lose any adjustments that you may have made to Clutter, Signal Level, TVM, scroll rate, etc.

After the reset, make sure your picture advance is set to "1/1" and your PRR is "20". If that doesn't work, call FURUNO or send them an e-mail. You will get a quick response.
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Old 07-25-2004, 08:23 PM
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Default RE: Furuno 1722C - FF display locks up

Thanks for the info. You have been very helpful.
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