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Morning, Re: NavMan Trackfish 6600 Sounder - GPS Combo. This unit is only used when I take my annual holiday to the Northern Territory in Aust, each year and would have been used approx 20 weeks in total since 2006.Initially, after 1st boot up of the day, the unit works fine. until. it is exposed to the tropical heat after 15-20 minutes. The unit then regularly either: freezes, requiring power to be turned off-on at the main power switch and re-booted or will drop out and return to the home, acceptance screen. Can you please help. Rgds - Phil Drummond

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Posted on Jan 02, 2017

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my navman trackfish 6600 gps is aquireing and will not give a gps fix ,I have also had the screen ghosting when I enlarge the area with no detail, the unit is 4 years old .

Posted on Sep 05, 2010


SOURCE: Navman 5500 tracker

Navman 5500 does not support C-MAP MAX maps.. only C-MAP NT+ maps.

Posted on May 02, 2008

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SOURCE: Screen is set to 15 Problem


Usually blackening of a part of screen is most probably due to faulty LCD screen.

he Display of a GPS Consists of (2) Separate Devices that Work Together.

# The Liquid Crystal Display (LCD)
# The Touchscreen with Glass

The touchscreen consists of several transparent layers with spacers that are applied with an adhesive to a thin pane of glass. The touchscreen & glass lies on top of the LCD display. The touchscreen & LCD display both have their own flex cables that connect to the main board.

The touch screen has a ribbon flex cable with 4 or more conductors, each conductor representing a direction such as:

1. X-Coordinate, Left
2. X-Coordinate, Right
3. Y-Coordinate, Up
4. Y-Coordinate, Down

Most GPS units use a resistive, analog touchscreen. A voltage is applied to the touchscreen and by pressing anywhere on the touchscreen, it acts like a voltage divider, returning a specific voltage value, based upon the location touched on the screen. The GPS is programmed to read this voltage and it translates it back to a specific position on the screen, which may or may not activate a function.

The touchscreen doesn't have to sit directly on top of the display. If you were able to set it beside the display, you could still press the touchscreen and activate a function. The LCD display has no idea where the touchscreen is mounted, all it is concerned about, is what area is being pressed and whether or not that location matches a particular function on the LCD display menu.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Hope you have the manual..If not, please feel free to download from the below link:

Posted on Jun 17, 2011

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Easy peasy.
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Missing the target.

I had the same probelm.

Check that you are using the right time zone in your settings particulary if there is daylight savings adjust your time zone accordingly in your settings

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