Just turned on my furuno gp7000f this morning and the screen came up with grey screen and say it initializzing. Any ideas

Try changing range setting. Also try reseating the chart card if you're not using the built-in NOAA charts.

will not enter navigation.

Hello
Go to page [2-6] of its user manual. All adjustments to be done to get the water teperature has been described here with details. It is difficult ot get all these details by this window, as it contains tables and charts, whci cannot be uploaded by this window. OK.

Press and hold the "MENU" button during power on. Release "MENU" after boat appears.
Go through the installation wizard. You must select the radar type, "B" is 1834.

you must run 50KHz for deep water, so you will have to solve the interference problem to benefit from the power

Try removing your chart card then powering up your unit. Chances are your chart could be bad and is causing the problem.

the leading edge of the ducer should be higher than the aft portion. The leading edge must not be below the bottom of the transom. To determine if it is turbulence or radiated interference, put the boat in neutral and run motor up in RPM, if it fails then, with boat stationary, then proximity to motor is a problem and you should buy and in-hull ducer. glueing the transom ducer may or may not work well.

are you in salt water? yes furuno can fix and reseal, but saltwater inside can not be stopped and you should cut your losses. If you wish, place a desiccant pack inside the unit. that is one of those little silica gel packs that you got with the christmas presents. Be very careful and precise with the rubber seal and you may be able to seal it back up. Temperature cycling can draw in humid air which can not escape, so open it, put a couple of desiccant packs in there, or ship it to Furuno. If the board is corroded, forget it, the board costs too much!

thanks my problem is fix

This unit has built in sonar, so no DFF1 is required. The 1KW transom mount is in stock here, with the proper Furuno 10 pin connector. That is all you need, the display, the power cord, the GPS antenna, the transducer and THE BOOK! We are a Furuno dealer in the Great Lakes